Preschool - 7th Grade Engineering and Science Inquiry Activities : Page 5

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

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!

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

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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.

How powerful is the reaction between baking soda and vinegar? Find out here!

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.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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.

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