Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

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

Here are some ideas for marshmallow math games you can play with your child to help teach him important concepts like estimation, area, and measurement.

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

Help your preschooler or preschooler with shape recognition, math, and matching by creating your own personal shapes cards, good for home or car.

This spider hat activity challenges your child to learn about spiders and improve fine motor skills. Make a spider hat with your child on Halloween or any time.

This activity will help your child tackle those tricky fraction word problems by way of a hands-on method.

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

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Lots of everyday objects can be fun, whether it's buttons, beans, or Lego blocks. Here's an activity that uses coins to build problem-solving strategies.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Help your child learn her numbers and how to count with this fun number game!

Determine which metal has the highest rate of conductivity.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Here's an Easter themed math game to reinforce your child's logical reasoning and place value skills.

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

This St. Patrick's day, stretch your child's social studies and math skills with this fun, cooperative learning game.

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

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!

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Help your child make an imaginative, inexpensive spaceship from recycled materials. When the spaceship is ready, count backwards from ten and then BLAST-OFF!

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.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.