Science Fair Projects & Experiments for 8th Grade - Kids Art & Craft (2023)

If you’re searching for science fair projects and experiments for 8th grade, you’re in right place! We are here with science fair projects and experiments like plant growth experiments, stem science project,s and robotic hand models.

As eighth-grade science is frequently focused on the science fair, we’ve compiled a list of fantastic project ideas for students to pursue. Teachers can discover ideas for hands-on activities and experiments that may be done in the classroom here as well. These hands-on activities will educate children a lot about science and the world around them! The Science Fair day is usually a highly anticipated and memorable event during the school year! If you, your child, or your pupils are looking for some motivation, read the article below and choose from the list of suggestions.

Science Fair Projects & Experiments For 8th Grade

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Affecting Plant Growth Experiment For Kids

If science is a household staple, try your hand at making this science experiment craft for a science fair. We had to follow the scientific approach because this was a science experiment for a science fair. Try to educate your children on the proper procedures and approaches for doing science experiments. With some tweaks and adult assistance for the younger ages, this science experiment would be perfect for any age.

Light Bulb Science Project For Kids

This easy and spectacular light bulb experiment can be used to teach pupils about electricity. You can construct an incandescent light bulb as Thomas Edison did with just a few simple items with this light bulb science project! Kids of all ages will enjoy these electricity experiments for kids, including kindergarten, first grade, second grade, third grade, fourth grade, fifth grade, sixth grade, seventh grade, and eighth students.

How To Make Robotic Hand Model

Our hands have complicated and intricate anatomy. Our hands, which are made up of a variety of bones, muscles, and ligaments, may move in ways that other parts of our body cannot.
The miniature robot hand highlights how crucial it is for all of our hands’ elements to function together in order to move. It will demonstrate how the bones, muscles, and tendons allow us to move each finger separately or simultaneously.

Electrolyte Challenge Science Project For Kids

Every year, sports drink manufacturers spend tens to hundreds of millions of dollars on advertising their products. The high number of electrolytes in these beverages, which your body loses when you sweat, is one of the perks frequently touted in these advertisements. In this science project, you will compare the number of electrolytes in a sports drink to those in orange juice to see which has more electrolytes to replace those lost while working out or participating in sports. You might even want to manufacture your own sports drink once you’re done!

Algae & Pollution Experiment Science Project For 8th Grade

This experiment is suitable for people of all ages. The algae and pollution experiment can be done with your entire family!
Algae is a natural feature of the pond ecosystem and grows naturally in ponds. Certain pollutants, on the other hand, can have an impact on algae growth. Phosphorus is one of the most critical elements for plant growth, but too much phosphorus in a pond, river, or lake can cause algae and other aquatic plants to grow out of control. They consume all of the oxygen in the water, suffocating other organisms such as frogs and fish. Another contaminant to be concerned about is acid rain. When the pH level in water is outside of the typical range, algae and other living organisms die.

Read More: 1st Grade Science Projects for School

DIY Science Newton’s Cradle At Home

Newton’s Cradle is a classic demonstration of momentum in science. It’s also a great DIY scientific toy for both kids and adults! Plus, it’s ideal for the science fair!

Step 1: To build a square, glue four craft sticks together at the corners. Rep with a total of four more crafts sticks. Allow drying. These will be the frame’s sides.
Step 2: Cut the string into (6) 8″ long equal sections.
Step 3: Glue a marble in the middle of one of the string sections. Repeat until you have a total of (6) marbles, each glued to the center of a string.
Step 4: Make (6) markings every 12″ along with two craft sticks. Make sure the marks on the sticks are centered.
Step 5 At each mark, tape one end of the strings with marbles connected to one of the craft sticks. Remove from the equation.

Step 6: Assemble the frame with hot glue. Hot glue a craft stick perpendicular to each corner of the two sides. A cube will be the final frame.
Step 7 Glue the craft stick to one side of the frame with the taped string/marbles.
Step 8 Glue the opposite side of the frame on the second marked craft stick.
Step 9 Tape the loose ends of each thread to the marked craft stick using a marble. To make sure the marbles are aligned, gently pull on the strings.

Stem Science Project Experiment Activity For 8th Grade

The amount of air your lungs can hold is referred to as lung capacity. Your lung capacity can be affected by a variety of factors, including your overall health, specific health issues such as asthma or emphysema, athleticism (how active you are), size, and age.
This task is designed to help you determine your lung capacity and make predictions about what factors may influence it. Discuss lung capacity with your children and have them come up with a hypothesis about what factors can affect it, either for the better or for the worse. Then put your theory to the test!

Crime Scene Fingerprinting Science Project experiment For 8th Grade

Science can do a lot of things, including helping us comprehend our world, developing new technology, and even solving crimes! Forensic science is a branch of science that aids in the investigation of crimes.

All you need to do:

1. Leave prints on a microscope slide by touching it with your finger a few times. (If you want more visible prints, apply lotion to your hands.) To make cleanup easier, place the slide on a piece of paper before dusting.

2. Sprinkle a small amount of powder on the microscope slide, then gently wipe away the excess powder with the soft brush, taking care not to disturb the fingerprint. It can take some practice to get this just perfect.

4. Once you’ve mastered dusting a slide, go on to other surfaces such as doorknobs and faucets.

5. See whether any of the prints you make can be identified. To do so, take your family members’ prints and compare the known prints to the “mystery” prints. Color a few square inches of paper with a pencil, then have a family member wipe their finger around the square to pick up graphite, then press their finger against the sticky side of a piece of tape. Tape a white sheet of paper to the tape and write the name of the print on it.

Light Measuring Circuit Experiment For Students

Using a light-emitting diode (LED) and a photoresistor, create an electronic color-detecting circuit. An LED is a little light that comes in a variety of colors. A photoresistor is a sort of resistor that is unique. Resistors are electronic components that prevent electrical current from flowing (their resistance is measured in ohms []). The resistance of a photoresistor is affected by light; it has a high resistance in darkness and reduces when exposed to light.
In this project, you’ll analyze how a photoresistor’s resistance varies when different color surfaces are illuminated with a red LED, and then use that data to design a circuit that can distinguish between red and green surfaces. Consider this the first step in creating a fully automated farming robot!

How To Make Lift Car With Two Phone Books

Have you ever heard that it’s hard to separate two phone books with pages that are interleaved? Isn’t this a little crazy? It’s not difficult to slide a sheet of paper from the top of a stack. What is the maximum amount of friction that can exist between sheets of paper? Instead of phone books, you’ll utilize sticky note pads in this experiment. When the pages are interleaved, how much weight can they support? Do you believe you’ll be able to separate them with your hands? You might be surprised by the outcomes!

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DIY Plant Light Science Project Experiment For 8th Grade

Have you ever observed how plants tend to grow in the direction of light? Construct this easy light labyrinth and watch the plant grow around the obstacles to reach the light! Experiment with various mazes to see how the plant responds. Is your plant capable of completing its maze?
Plants grow toward the sun to increase the amount of energy they generate through photosynthesis. So, how do the plants reach for the sun? Auxin is a hormone found in plants that causes plant cells to grow longer.

Hydraulic Elevator STEM Project

Try this hydraulic elevator STEM project, and you’ll see that it’s a breeze! The youngsters were so enthusiastic about it that they wanted to try additional similar projects.
This hydraulic elevator project combines engineering and mathematics.

Nature STEM Science Project

Animal tracks are a fun activity to find and collect. Find & Collect Animal Tracks gives you an overview of the investigative work and tools you’ll need to see and preserve animal tracks in your area.
Have you ever noticed that finding co-op classes for middle school males is the most challenging task? Isn’t it the ideal idea to go on a tracking expedition with your group of middle school students? While middle schooler’s are known for their enthusiasm, if you can channel it in the proper direction, you’ve got it made!

Infinity Mirror Science Project Experiment

The optical illusion of an eternally long tunnel is created by an infinity mirror. It really consists of two mirrors — a standard mirror and a one-way mirror — sandwiched between which are light-emitting diodes (LEDs). The infinity mirror behaves like a standard mirror when the LEDs are switched off. When the LEDs are turned on, however, the infinity mirror appears to be a brightly lit tunnel that stretches forever. This engineering project will teach you how to construct your own infinity mirror.

Cup Holder STEM Challenge

Would you be able to build a system that could support two cups while getting both cups off the surface and as far apart as possible if you were given a piece of paper, tinfoil, 6 straws, 2 paperclips, two pieces of string, two pipe cleaners, 3 Freepost labels, and an envelope – and then given five minutes? Put this science experiment to the test. This experiment uses simple (and affordable) objects that are easy to come by and produce entertaining results in a short period of time.

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Water Quality Testing Experiment

Let’s begin by examining two widely available water sources: tap water and distilled water. Fill a cup or beaker halfway with tap water.
To begin, dip the pH test strip into the water, remove it, and instantly compare it to the colour chart. Keep track of the results in your lab notebook.
Then, for 5 seconds, dip a Chlorine test strip into the water and move it back and forth 2 times each second. Remove the item and compare it to the color chart right away. Keep track of the results in your lab notebook.
After that, dip a Nitrate test strip into the water for 2-3 seconds, then remove it and shake off any leftover liquid. Compare the test pad to the color chart after 1 minute and write your findings.

Finally, dip a Water Hardness test strip into the water, remove it, and instantly compare the results to the colour chart. Make a note of your findings.
You’ll now move on to additional sources of water. Rep steps 2–5 using distilled water in a cup or beaker.
Next, try a well, a river, a lake, a reservoir, or a stream as a supply of water. Steps 2–5 should be repeated for each water source.
If you want to add more testing parameters, consider our Phosphate test strip or a pH strip with a restricted range, such as pH 5.5-8.0.

Pepto-Bismol Tablet Science Project

The majority of current medicines are made up of expertly produced chemical compounds that are so powerful that each pill only comprises a few micrograms of the active component. Pepto-Bismol is an interesting exception, in part because its active ingredient is bismuth, a heavy metal typically found in shotgun pellets, and in part because each dose contains a large amount of it.
Try this experiment out. By reacting bismuth with aluminum in an acid solution, you can isolate it. Only muriatic acid and aluminum foil are required in this method.

Solar Powered Water Desalination Experiment

How can seawater from the oceans be converted into potable fresh water for people to drink? Using a procedure known as solar desalination! You will create solar desalination equipment with widely available components and a free power source in this science project. What is the maximum amount of water that the device can create, and is it still salty? What factors influence how well saltwater is converted to freshwater?

Biology Starch Testing experiment

Amylose and amylopectin are the two fractions of starch that can be isolated. In the presence of iodine, the amino acid amylose in starch causes a vivid blue color to develop. The iodine molecule is trapped inside the amylose coil, giving it a distinct color.
The brown Iodine solution reacts with the starch, turning it blue-black. This test determines whether a food contains starch.
Iodine solution can be added to a solution or directly to things like bread, potatoes, and crackers… A BLUE-BLACK COLOR indicates a favorable outcome: There is starch present.

Science Project Middle School For Symbiosis

Three pots will be labeled “control,” and three will be labeled “bacteria.”
Fill all of the pots to the same level with moss or potting soil.
In each pot, sow three seeds.
Place the pot in the sun and water it well.
Sterilize your inoculating loop on the sixth day after planting. Fill the three “bacteria” pots with Rhizobium Leguminosarum culture using the loop. If you’re using powdered bacteria, distribute 12 teaspoons over the dirt in each of the three pots gently.

Allow the peas to grow for at least nine weeks without being disturbed. Measure the growth of each plant, the number of leaves, and the size of the largest leaves during this time. Keep track of when new leaves appear. Regularly take photographs
Pull your plants out of the dirt after nine weeks and check their roots with a magnifying lens. Make a drawing of what you see.

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STEM Car Crash Science Project

Did you know that genuine scientists and engineers deliberately wreck automobiles to see how safe they are in a collision? Yes, it is correct!
It’s now your chance to build and smash a homemade car! In the event of a rollover accident, the purpose is to retain a plastic egg safely seated within and prevent its head from reaching the ground.
This is an entirely unrestricted project. There is no right or wrong way to construct it, but critical resources such as cups and rubber bands should be limited to stimulate innovative solutions!

Center of Gravity Experiment Science Project

Gravity is a force that keeps our feet firmly anchored on the earth by sucking everything to the ground. What about the gravitational center? Have you heard of it before?
An object’s center of gravity is the point where all of its weight is evenly distributed. It is also known as the weight center in humans.
In this experiment, we’ll see if we can use the center of gravity to balance a stick on top of another stick without using adhesive! Any kind of stick will suffice.

Homemade Battery Science Experiment For Kids

Looking for a fun and educational science experiment for your kids? This how-to create a battery science project will astound and astonish your youngsters! This homemade battery experiment is a terrific introduction to electricity for kids, and it only requires a few simple supplies to allow youngsters to grasp how batteries operate while conducting a battery experiment. This battery science project is appropriate for students in the first, second, third, fourth, fifth, and sixth grades. These electricity experiments for kids will appeal to parents, homeschoolers, and teachers alike.

How To Make Green Flames

Certain stump removal and algae control treatments contain copper sulfate as a key ingredient. Check the product label to see if copper sulfate is stated. Other copper salts produce green or blue flames as well, although not all of them are as hazardous. You can use granular or powdered copper sulfate for this job, but you can also use a liquid solution. To use a liquid, soak paper or wood in it and let it dry before burning it, or pour the liquid into a shallow dish, let it evaporate, and collect the solid for use in crafts.

How to Write a Science Fair Project Abstract

We all know the Science Project abstract plays an important role in any science project fair. But do you know what an abstract means? And why it is so necessary to make an abstract? Before moving further, let me tell you what an abstract means?

Meaning of Abstract

The abbreviated version of the final report of your science project is known as abstract. Mostly science fairs put a word limit of up to 250 words.The science fair project abstract appears at the beginning of the report as well as on the display board.

These are the very important six pieces that most scientists and engineers agree that an abstract should have. These steps include:

1. Introduction

2. Motivate

3. Problem statement

4. Procedures

5. Results

6. Conclusion

Introduction: In this step, you have to describe the purpose for doing your science fair project or invention. This is a very important step as in this step you will tell your visitors, what special did you do in your project. You have to tell them what specialty does your project or invention contains, to attract the audience.

Motive: In this step, you have to motivate the reader to read the entire paper or display board so that they can understand your science project work more clearly.

Problem Statement: This step contains identifying the problem you solved, or the hypothesis you investigate.

Procedures: In this, you have to step out the approaches you’ve used to solve the problem. But don’t go into detail, unless they are critical to your success.

Result: In this step, you have to mention the result obtained. Do not use vague terms like “most “or “some”.

Conclusion: This is the final step, in this step you have to mention the science fair project or invention contribution to the area that you worked in, or did you get the desired result?

To make a good impact or for presenting your project in a proper way, the abstract is really important. Let us know why the abstract is so important.

Importance Of Abstract

A science fair project abstract helps people to quickly determine if they wanted to read the entire post or not. The Abstract also works as an advertisement for your project work. By working on an amazing abstract you can easily impress judges and the public about the science fair project.

An Abstract is always short, so it’s better to choose words wisely and convert the important message.

Meeting Up The Required Word Limit

Sometimes it’s hard to summarize a very long topic in a very short description. You should keep in mind to include all the key information. Just look for ways to make your abstract full of valuable information related to your work.

With the help of these guidelines, you will definitely create an amazing science fair project. So be ready to impress your target audience.

I hope that you had a great time reading and trying to make these Science Fair Projects & Experiments for 8th Grade. And if you want more ideas then read more posts and let me know which Science Project you like the most.

Thank you and have a nice day! Happy learning!!

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