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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

In this activity your child will create their very own marble maze!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science fair project idea determines what household items are good conductors of electricity.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project teaches students about wilting and browning of salad greens.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Have your child kick off their summer vacation by making a miniature water slide!

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.