A dangerous man was finally put in jail. He had ____ many people before he was caught.

Max is going to be rich! He ____ a way to make gold out of plastic!

In science class, we ___ an experiment to see how light bends as it pass through a prism.

In science class, we ____ how light bends as it pass through a prism.

Isaac Newton ____ that if you pass light through a prism, it bends.

City engineers ___ the traffic problems, and recommended

ways to solve the problems.

Sherlock Holmes is the most famous ____ in the world. He was able to solve crimes easily,

If you study archaeology, you study ___.

A century is ...

A theory is an idea about something that is ....

Because of his ____, he is unable to play tennis for many months.

The ____ Egyptians built the pyramids.

An archaeologist studies _____ societies.

____ societies provide their people with power, clean water and ways to throw away trash.

He is very wealthy, so he has a(n) _____ style of life.

His strategy for winning the match was very ____; he won it easily.

As the hurricane _____, the wind and rain got stronger and stronger.

The detective thought of a _____ of reasons why the wealthy man was murdered.