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.

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!

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.

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

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!