0ur Internal Clock

True or False: Eating late at night might be unhealthy.

• True

• False

True or False: Our internal clocks tell us when to go to school.

• True

• False

True or False: Professor Colwell studies the importance of the sleep-wake cycle.

• True

• False

True or False: All of the mice in the study ate at the same time.

• True

• False

True or False: Some of the mice in the experiment slept more hours than other mice.

• True

• False

True or False: Professor Colwell saw the changes in the brains of all the mice in the experiment.

• True

• False

True or False: Professor Colwell believes that eating and sleeping at the same time everyday helps learning and memory.

• True

• False

From line 1-6: A late night snack before bedtime means:

• you eat a big meal before you go to bed

• you eat a little meal before you go to sleep

• you eat some food in your bed

From lines 1-6: Which word is a synonym for uncommon?

• unusual

• unhealthy

• frequent

In line 2, what follows the dash (-) ?

• a definition

• additional information

• an example