Science in the news

Directions: Read the Science News section on pages 4 to 6. Then test your knowledge by circling the letter of the correct answer below.

1. Which of the following statements about wolves in Yellowstone National Park is not true?

a. Their half-eaten meals help feed other animals in the park.

b. Their leftovers help increase biodiversity in the park.

c. They are apex predators.

d. They are scavengers.

2. How does Deletum 5000 fight graffiti?

a. It's sturdy and will not break down with scrubbing or exposure to weather and sunlight.

b. It contains oleophobic molecules.

c. It contains hydrophobic molecules.

d. all of the above.

3. A 2003 survey shows that the percentages of U.S. students In grades 8, 10, and 12 who have tried cigarettes have

a. dropped.

b. increased.

c. increased dramatically.

d. stayed the same.

4. Researcher Angela Ridgel discovered that

a. an elderly roach runs slower than young roaches.

b. all species of roaches run at the same rate.

c. roaches are naturally clumsy and can run into obstacles.

d. roaches do not have a long lifespan.

5. Which was not a factor in biologist Victor Benno Meyer-Rechow's calculations of Antarctic penguins' "poop-shooting" abilities?

a. height of launch

b. density of the waste

c. viscosity of the waste

d. penguins' dietary needs

Take it Further:

Research and report on either of the following: the life cycle of an Antarctic penguin species or the reintroduction of wolves in Yellowstone National Park.

1. d 2. d 3. a 4. a 5. d

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