How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

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

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea identifies clouds as a means of predicting the weather.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

This project tests the hypothesis that dark colors absorb more heat than light colors.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Do you think heat can affect a plant's growth rate?

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.