Kindergarten - 7th Grade Science Activities : Page 9

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Have your child kick off their summer vacation by making a miniature water slide!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This science fair project idea produces varying pitches of sound.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This science fair project idea determines the most effective method of preserving food.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

This simple experiment serves as an introduction to the greenhouse effect.

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.