Simple Machines

Level A1

A simple machine is a tool. It has few or no moving parts. It makes work easier. Simple machines help do many different jobs.

Who made the first cheese?

Level A1

People have been eating cheese for thousands of years. Who made the first cheese? How did it start?

How a Pot Kept Trials Short

Level A2

Thousands of years ago, the Greeks had courts. They used a pot with a hole to keep the trials short. How did a pot with a hole keep a trial short?

Long ago and Today

Level A2

Many things have changed over time. We live in different kinds of homes. We travel and keep in touch with others in new ways.

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