In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Find out whether matte or shiny nail polish lasts longer.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

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

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

Learn all about balance and motion as your child designs a corn maze!

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.