Part 2 — Answer key

Compare your answers after you have finished Part 1.

1. 0.5 is the same value as which fraction?
   1/2
2. Washington, D.C. is important because it is the United States’ what?
   Capital
3. Water freezes at 32°F, which is 0°C.
   True
4. In a food chain, a producer makes its own food, like a plant.
   True
5. At a bake sale, 3 cookies cost $0.75 each. How much do 3 cookies cost?
   $2.25
6. The Sun is a star.
   True
7. A prime number has exactly two factors, 1 and itself.
   True
8. Which state is called the “Sunshine State”?
   Florida
9. In the U.S. federal government, which branch makes laws?
   Legislative
10. All bacteria are harmful to humans.
    False
11. In the sentence “Dark clouds let you predict rain,” what does “predict” mean?
    To guess what will happen
12. Which number is greatest?
    0.66
13. Seasons happen because Earth is much closer to the Sun in summer than in winter.
    False
14. Congress is part of the legislative branch of the U.S. government.
    True
15. The word “their” is a contraction for “they are.”
    False
16. You have 3/4 cup of sugar, but you need 1 1/2 cups. How much more sugar do you need?
    3/4 cup
17. On a map, 1 inch represents 50 miles. Two towns are 3.5 inches apart on the map. About how far apart are they?
    175 miles
18. In the water cycle, evaporation changes liquid water into water vapor.
    True
19. Which is an inherited trait?
    Eye color
20. Choose the best transition word: “I wanted to go outside; ______, it started to rain.”
    However
21. A right is something the government can take away whenever it wants.
    False
22. A sticker costs $0.40. If you buy 8 stickers, how much do you pay?
    $3.20
23. A weather app shows the average temperature and rainfall for your town over many years. That information is describing what?
    Climate
24. Washington state is in the Pacific Northwest region of the United States.
    True
25. A consumer in a food web gets energy by making its own food.
    False
26. The main idea of a paragraph is always found in the first sentence.
    False
27. You pour 12 ounces of juice equally into 3 cups. How many ounces go in each cup?
    4 ounces
28. A bill has passed Congress and is ready to become a law. Who can sign it into law?
    President
29. The equator is an imaginary line that divides Earth into the Northern and Southern Hemispheres.
    True
30. A recipe uses 2/3 cup of milk for one batch. You make 1.5 batches. How much milk do you need?
    1 cup
31. A student brings a 10 kg backpack to the Moon. What changes compared to Earth?
    Weight decreases
32. Which city is the capital of New York state?
    Albany
33. In the sentence “The desert was arid; not a drop of water could be found,” what does “arid” mean?
    Very dry
34. Congress passes a bill, but the president vetoes it. What can Congress do to still make it a law?
    Override the veto with a two-thirds vote
35. Ocean tides on Earth are caused mostly by the gravity of the what?
    The Moon's gravity
36. During photosynthesis, plants take in which gas from the air?
    Carbon dioxide
37. A hiker walks 2.5 miles in the morning and 1 3/4 miles in the afternoon. How many miles did the hiker walk in total?
    4 1/4 miles
38. Why do we see different phases of the Moon (like crescent, half, and full)?
    We see different parts of the Moon’s sunlit half as it orbits Earth
39. Which state borders the most other U.S. states?
    Tennessee
40. A new law says newspapers are not allowed to criticize the government. Which freedom would that violate?
    Freedom of the press