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Showing Results for and two digit numbers : Page 7

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Cats & Dogs

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Make Your Own Marshmallows

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

Polymer Crystals vs. Ice

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Take Science Home with Decomposition

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.

Using a Compass

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

How to Make a Bouncy Ball

One of the basic concepts in science is recognizing that all things can be classified as living or nonliving. In this lesson, your students will explore the characteristics of living and nonliving things with engaging hands-on activities.

Living or Nonliving? How to Tell

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.

Make a Paper Helicopter

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Exploring the Movement of Tectonic Plates with S'Mores

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Get Cracking

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Ivory Soap Experiment

Young scientists will investigate people&#39;s preferences for saltiness, and make some inferences about genetics and diet.

Too Much Sodium?

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Upside-Down Plants

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Feeding Plants

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Grow Salt Crystals!

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Naked Egg

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Water Transport in Plants

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Star Clock

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

Form and Function

Give your students the opportunity to explore the perspectives of different characters by using the "See Think Wonder" Visible Thinking Routine from Harvard's Project Zero.




Exploring Animal Adaptations!

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Make a Handwriting Analysis!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Roasted Pumpkin Seeds

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Does a Dark Fridge Prevent Food from Spoiling?

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

The Rings of Saturn: A Scale Model

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Rats!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Halloween Decorations: Make Ghouly Hands!

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Latent Fingerprints

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

Cell Membrane

This science fair project idea investigates how color affects temperature.

Color And Temperature

Use this lesson to teach your students about the various types of forests by drawing them on a box!

Types Of Forests

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