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This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Compare the ignition rates of various types of flame-retardant materials.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Make these homemade shell fossils and introduce your child to the wonders of science!

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

This science fair project idea investigates the relationship between memory and age.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Find out whether matte or shiny nail polish lasts longer.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

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

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

A mixture of botany, exploration, Abstract Art and Pop Art color theoryâthis activity never gets dull! Start by exploring outdoors and finish with indoor art.

This project examines the concentration of dissolved oxygen in water, with and without oil.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.