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

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.

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

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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.

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

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.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Practice conversions within the metric system in this fun math card game for third graders.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

This simple experiment serves as an introduction to the greenhouse effect.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

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

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!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.