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Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Introduce your child to science with something they see everyday--their shadow!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Practice measurement using centimeters in this fun math race designed for your second grade student!

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Examine the connection between temperature and chemiluminescence.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

This project explores what happens to a rubber band when it is heated and cooled.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

How powerful is the reaction between baking soda and vinegar? Find out here!

Use this great no-bake recipe to save energy and keep cool.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.