3rd Grade Science Activities : Page 11

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

How do organic materials become soil? This science experiment measures what materials biodegrade.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

In this science fair project you will make a model of a cell membrane using very simple material.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.