1st - 4th Grade Science Activities : Page 16

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Help your child make a beautiful homemade sandcastle that will last!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

This biodiversity project examines the biodiversity in your own backyard.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.