4th Grade Science Projects Activities : Page 5

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This project determines what category of person is most likely to be ticklish.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this project students experiment with making music using only glasses of water.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea produces sounds by creating vibrations using different objects.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this experiment we will be determining whether birds prefer certain colors of seed.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science fair project investigates why the number of visible stars changes from place to place.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

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

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

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science project teaches students to classify different shapes of leaves.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.