5th Grade Life Science Projects

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

The objective of this experiment is to determine how effective hot water is in killing various kinds of microorganisms.

Who can hold their breath longer, smokers or non-smokers? Find out in this science fair project idea!

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project will help students learn about non-vascular plants, such as mosses.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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

Science fair project which breeds a pair of mice, a pair of rats and a mouse and a rat in order to learn about the difference.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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