2nd and 3rd Grade Science Activities : Page 3

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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

This science fair project teaches students the differences between fruits and vegetables.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Make a spring collage with your child to get them outside and those creative juices flowing!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

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

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.