Preschool - 5th Grade Engineering and Science Inquiry Resources : Page 3

Start your toy engines -- this is going to be a fast and friction-filled race!

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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!

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

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!

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Plants and light seem to be good buddies, but how far does the friendship really go?

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Find out which type of sponge holds the most water.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

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

Take a dive into the candy jar with this yummy science experiment.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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.