Front

Hares and rabbits are not the same.

Back

Front

Ice cream was invented in 1904.

Back

The ice cream was invented in 1904.

Front

Some roller coasters use magnets to stop.

Back

Some kinds of roller coasters use magnets to make them stop.

Front

School children in Washington state are raising salmon.

Back

Front

Giant pandas are losing their habitats.

Back

Front

Incense cedar wood is ideal for pencils.

Back

Incense cedar wood is perfect for making pencils.

Front

How to identify a hardboiled egg?

Back

You can tell if an egg is hardboiled by spinning it.

Front

Guinea pigs are eaten in Peru.

Back

In Peru, many people eat guinea pigs.

Front

Arctic fox coat functions

Back

The thick, white coat of an Arctic fox has two important jobs.

Front

Before toothbrushes, people used natural objects for dental hygiene.

Back

Before toothbrushes were invented, people used natural objects to clean their teeth.