3rd - 5th Grade Science Projects Activities : Page 2

Discover how and which salt melts ice the quickest.

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

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!

This science fair project idea investigates how magnetism can defy the force of gravity.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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 idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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

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

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.

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

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.

This science fair project idea explores the egg's thin membrane.

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