Showing Results for two digit using place value

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This project compares the strength of one, two, and three-ply toilet paper.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

In this project students experiment with making music using only glasses of water.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

In this science fair project you will make a model of a cell membrane using very simple material.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this design challenge, your child will make a bottle rocket using typical household items.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

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 free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea examines which type of insulation holds in the most heat.

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

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

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.