Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

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

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.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Test whether plants can grow without sunlight and water.

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

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea examines whether boys and girls differ in reflexes.

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Discover how and which salt melts ice the quickest.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.