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Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea explores whether talking to a plant will help it grow.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.