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

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Discover whether cold or hot water from the faucet will boil faster on the stove.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

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

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.