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!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Practice measurement using centimeters in this fun math race designed for your second grade student!

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

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

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

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!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?