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.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

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!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This little chick is so cute that your child will want to make a whole flock to call her own.

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.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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 cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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!

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

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.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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.

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.

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