Preschool - 7th Grade Engineering and Science Inquiry Activities : Page 2

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

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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!

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

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

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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.

This science fair project idea explores whether talking to a plant will help it grow.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Check out this cool science fair project on identifying rocks and minerals for kids.

Discover how and which salt melts ice the quickest.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.