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Showing Results for practice three digit and regrouping : Page 4

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Plants Need Sunlight and Water 

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Show the Direction of Magnetic Field Lines

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

Make a Desktop Desert Terrarium

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

How do Sedimentary Layers Form?

This science fair project idea determines which method of hand cleansing is the most effective.

Effective Hand Washing

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Air Pressure Experiment

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Robot Obstacle Course

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Can Crystals Show Color Mixing?

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Building a Simulated Volcano

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

Turtle Habitat

This science fair project examines how seeds hitchhike on animals and clothing.

How Do Seeds Hitchhike?

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

How Do Weather Conditions Affect How Fast a Puddle Evaporates?

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Hanging Vase

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.

How to Make a Wind Vane

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Candy Corn Balance

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Erosion Experiment

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.

Halloween STEM Building Challenge

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

Dew Point, Humidity and Weather

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They&#39;ll try to capture photos that correspond to paint chip colors.

Go On a Paint Chip Picture Walk

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

States of Matter in a Baggie

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

How do Plants Absorb Water?

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Make a Milk Carton Bird House

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Heat Transfer Experiment

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Make Leaf Rubbing Gift Cards

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Dye Eggs with Onion Skins

This science fair project idea investigates if fats add to the flavor of food.

Low Fat, Low Taste?

This science fair project teaches students about wilting and browning of salad greens.

Why Do Greens Turn Brown?

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Sour Taste Testing: When Life Gives You Lemons

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments!  How do you do it? It's not a secret, it's science!

Bubble Science

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

Indoor Gardening with Kitchen Waste

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