3rd Grade Science Activities : Page 2

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science fair project idea investigates how color affects temperature.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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

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.

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.

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

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

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

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