Science Quiz 2


  1. Which is not a basic(alkaline) solution?
a. baking soda.
b. soap.
c. black coffee.
d. oven cleaner.
e. bleach.

  1. Like all green plants, trees make their food using sunlight, air and water. The process is called...
a. respiration.
b. photogenesis.
c. photosynthesis.
d. chemisynthesis.
e. osmosis.

  1. Plants use this gas during the night to chemically change the products of photosynthesis that are produced during the daytime.
a. hydrogen.
b. oxygen.
c. carbon dioxide.
d. nitrogen.
e. carbon monoxide.
f. helium.

  1. How many pounds of milk does a cow produce in one month?
a. 500 pounds (60 gallons) 960 glasses.
b. 4,000 pounds (500 gallons) 8000 glasses.
c. 2,000 pounds (250 gallons) 4000 glasses.

  1. What makes a cow a ruminant?
a. has hooves.
b. regurgitates food and rechews it.
c. produces milk.
d. has horns.

  1. What does pasteurized mean?
a. processed to keep milk fat from separating.
b. vitamin D is added.
c. heated to kill germs.
d. inspected and found safe.

  1. The planet moving fastest around the sun is...
a. Mars.
b. Jupiter.
c. Mercury.
d. Pluto.
e. Earth.

  1. The people living on a strange island are either truth-sayers or liars. The truth-sayers always tell the truth. The liars always lie. You come across three of them and ask the first, "Are you a truth-sayer or a liar?" He answers the question, but you don't understand what he says. The second one says (about the first one), "He says that he's a truth-sayer." The third one says (about the second one), "He's lying." What can you conclude?
a. Both the second and third person are liars.
b. Both the second and third are truth-sayers.
c. The second is telling the truth, the third is lying.
d. The second is lying, the third is telling the truth.

  1. A dragonfly can fly at a speed of __________.
a. 25 mph.
b. 2 mph.
c. 10 mph.

  1. Insects __________ close their eyes.
a. sometimes.
b. cannot.
c. always.





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