On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea researches the effects of acid rain on plant growth.

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

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea investigates whether plants can survive being frozen.

In this project, the affects of vitamin E are observed on a rose petal.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science fair project idea determines if the color of light affects the growth of plants.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.