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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

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.

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

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

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.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Learn how different types of soil affect how animal tracks form in this experiment!

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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.

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Have your child kick off their summer vacation by making a miniature water slide!

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project idea identifies trees using a dichotomous key.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Find out which type of sponge holds the most water.

Help your child learn about animal classification with this fun and delicious activity.