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The following test has 10 questions.

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1.	Oceans are explored using
	a.		submersibles.
	b.		space shuttles.
	c.		lunar rovers.
	d.		telescopes.

2.	How do the heart and lungs work together?
	a.		Movement of the lungs helps the heart pump blood.
	b.		The lungs supply oxygen to the blood that the heart pumps throughout the body.
	c.		The heart and lungs work together to help digest food.
	d.		The heart pumps blood, and the lungs circulate blood throughout the body.

3.	Use the graph below to answer question 3. Two guinea pigs, I and II, were put on different diets for a month. The graph above shows what happened to their weights. Which statement is correct according to the information in the graph?
	a.		Guinea pig I lost weight while guinea pig II gained weight.
	b.		Guinea pig I and guinea pig II weighed the same at the beginning of the experiment.
	c.		Guinea pig I and guinea pig II weighed the same on the fifteenth day of the experiment.
	d.		Guinea pig II lost weight at first, but started to gain weight about halfway through the experiment.

4.	What happens to the movement of molecules when a substance is heated?
	a.		They move more quickly.
	b.		They move at the same time.
	c.		They move more slowly.
	d.		They stop moving.

5.	Why are there fewer cases of food poisoning today than there were 75 years ago?
	a.		better doctors
	b.		more advertising
	c.		greater variety of foods
	d.		better refrigeration

6.	As a diver goes farther below the ocean's surface,
	a.		the water gets colder, and the pressure increases.
	b.		the water gets colder, and the pressure decreases.
	c.		the water gets warmer, and the pressure increases.
	d.		the water gets warmer, and the pressure decreases.

7.	People DO NOT drink ocean water because
	a.		it tastes too fishy.
	b.		it is too cold.
	c.		it is too polluted.
	d.		it is too salty.

8.	Which characteristic is true ONLY of mammals?
	a.		They look like their parents.
	b.		They live on land.
	c.		They nurse their young.
	d.		They have backbones.

9.	Diabetes is caused when the human body cannot properly use
	a.		fat.
	b.		protein.
	c.		sugar.
	d.		water.

10.	In which pair of lists are living things sorted into plants and animals?
	a.
	b.
	c.
	d.