5th - 7th Grade Science Activities : Page 7

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

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This science fair project idea provides evidence that air is everywhere and takes up space.

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

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

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

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 examines whether plants are still able to grow normally if they are turned upside-down.

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

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.