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Do different types of oil mix or stack? Find out in this science fair project idea!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

The objective of this science project is to determine the length of time for different seeds to germinate.

Hunt for natureâs treasure, the many different products made by trees!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.