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STEM World

Engineering, building, and hands-on design challenges.

Think Like an Engineer

Engineers solve problems: plan, build, test, and fix.

What Engineers Do

Strong Shapes

My Five Senses

See, hear, smell, taste, and touch the world around you.

See & Hear

Push & Pull

Forces make things move — a push or a pull.

Forces Move Things

More Senses

Smell, taste, and touch — three more ways to explore.

Smell, Taste, Touch

What Things Are Made Of

Materials have properties: hard, soft, bendy, smooth.

Hard, Soft, Bendy

Living & Nonliving

Living things grow, eat, and need water. Nonliving things don’t.

Is It Alive?

Review & Show What You Know

Mix senses, materials, forces, and living things.

Mixed Science Review

Show What You Know: K Science

Simple Machines

Levers and wheels make hard work easier.

Levers

States of Matter

Solids, liquids, and gases are all around us.

Solid, Liquid, Gas

Light & Circuits

A circuit is a loop that makes a bulb light up.

Make a Light Turn On

More Simple Machines

Ramps and wheels make work easier.

Ramps & Wheels

Matter Can Change

Heat melts; cold freezes. Matter changes state.

Melting & Freezing

Magnets

Magnets pull some things and push other magnets.

What Magnets Do

Review & Show What You Know

Mix machines, matter, circuits, and magnets.

Mixed Science Review

Show What You Know: Grade 1 Science

The Water Cycle

Water goes up, makes clouds, and falls as rain — again and again.

Up, Clouds, Down

Build & Test a Bridge

Use the engineering design process: plan, build, test, improve.

Plan, Build, Improve

Code the Robot

Give a robot steps in the right order to reach the goal.

Steps in Order

Weather & Seasons

Observe weather and learn the four seasons.

Weather & Seasons

The Design Process

Engineers ask, imagine, plan, create, and improve.

How Engineers Solve Problems

Code: Loops & Debugging

Repeat steps with a loop, and fix a broken program.

Loops & Fixing Bugs

Review & Show What You Know

Mix weather, design, water cycle, and code.

Mixed Science Review

Show What You Know: Grade 2 Science

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