5th Grade Life Science Projects

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea determines if the color of light affects the growth of plants.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

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

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science experiment tests if dog saliva can really help heal wounds.

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

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

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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

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 different parts of the human ear and models how the human ear reacts to sound waves.

Science fair project which attempts to create a hybrid fish species by breeding two different species of fish together.

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.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.