3rd - 6th Grade Science Projects Activities : Page 2

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.

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!

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

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.

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.

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.

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

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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

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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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.

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

This experiment will evaluate if chewing gum affects students' test performance.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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

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

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

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

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

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

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!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.