In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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.

In this design challenge, your child will create a parachute for a small toy using typical household items.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

The goal of this project is to create an exciting topographical map out of dough.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Use pepper and soap to discover some fun facts about the properties of water.

Learn all about balance and motion as your child designs a corn maze!

This science fair project idea experiments with spinning color wheels and optical illusions.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this activity, your child will be challenged to make a tower using paper cups.

In this fun experiment, we'll find out how color affects heat absorption!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.