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Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

This science fair project idea discovers the effect of (high) heat on animal cells.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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!

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

Let your preschooler create something cute while making something delicious to eat: create bread sculptures, or shapes of bread dough!

Make pickled carrots at home! Here's a fun activity to get your child in the kitchen and make something special with no fuss or muss.

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

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

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

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 cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.