Science news

Science World, April 16, 2007

DIRECTIONS: Read the Science News section on pages 4 to 6. Then, test your knowledge by filling in the letters of the correct answers below.

1. The Chlamydoselachus anguineus normally live in water depths of -- meters.

(A) 600

(B) 1,000

(C) 1,500

(D) 2,000

2. Fish use their gills to

(A) circulate blood.

(B) breathe.

(C) control buoyancy.

(D) eat.

3. The Richter scale measures the

(A) size of an area affected by" an earthquake.

(B) magnitude of an earthquake.

(C) degree of damage created by an earthquake.

(D) speed an earthquake travels.

4. Last November, the house that scientists subjected to an earthquake simulation did not collapse because

(A) the shake tables it was built on shook very weakly.

(B) its interior walls and stucco exterior held up its wooden frame.

(C) its sturdy foundation kept its frame in place.

(D) its frame was made of sturdy titanium.

5. One reason the price of the metals used to mint pennies and nickels are rising is because the metals are in demand

(A) for making gadgets like cell phones and iPods.

(B) and there's a ban on mining them.

(C) for use as fossil fuels.

(D) for making quarters.

6. A penny is made of 1.12 cents worth of the metal(s)

(A) silver and copper.

(B) copper.

(C) zinc and copper.

(D) nickel and copper.

7. The Proteus has long spider-like "legs" that can adjust as they glide over waves because they

(A) are made of carbon fibers.

(B) are uneven in length.

(C) contain computerized motion sensors.

(D) are attached to springs.

8. The Proteus can travel -- miles without refueling.

(A) 1,000

(B) 2,500

(C) 5,000

(D) 10,000

9. The process by which a female organism develops offspring without fertilization is called

(A) in vitro fertilization.

(B) parthenogenesis.

(C) pythagorean theorem.

(D) meiosis.

10. Komodo-dragon eggs incubate for between -- and -- months.

(A) 3, 5

(B) 5, 7

(C) 7, 9

(D) 9, 11

ANSWERS

NEWS QUIZ, TE 4

1. a 2. b 3. b 4. b 5. a 6. c 7. d 8. c 9. b 10. c