Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This project explores what happens to a rubber band when it is heated and cooled.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Start your toy engines -- this is going to be a fast and friction-filled race!

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Find out which kind of bubble wrap fares best when put in impact.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Can cells be frozen? This science fair project provides information to answer this question.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This project examines whether people's taste perception is influenced by what they see.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.