This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

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

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.