2nd - 7th Grade Science Activities : Page 13

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Give your budding young observers a chance to discover simple machines at use in their own home.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This biodiversity project examines the biodiversity in your own backyard.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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

This science fair project idea provides evidence that air is everywhere and takes up space.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.