4th - 7th Grade Science Activities : Page 4

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

Make sourdough bread...and learn some colonial history and modern science in the process!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

In this design challenge, your child will make a bottle rocket using typical household items.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!