Par t 1 Questions w ith 100% Verified Correct
Answ ers
1. What is the independent variable on this graph?
Answer only temperature (°C)
2. What was also changed in the "Levers" lab when the position of the fulcrum
was changed?
Answer effort force
3. The block in this illustration is floating in water, which has a density of
1.00 g/cm3.
What is a good estimate of the density of the block if about 30 percent of the
block is below water?
Answer 0.30 g/cm^3
4. Which term best describes movement in a specific direction?
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, Answer velocity
5. Which term is equal to velocity change per second?
Answer acceleration
6. The purple arrow on the graph shows speed and direction.
What is this arrow called?
Answer a vector
7. What is equal and opposite, according to Newton's third law?
Answer What is equal and opposite, according to Newton's third law?
8. Why does light refract (or bend), as shown in the illustration?
Answer It slows down.
9. Which term is defined by the interaction between two charged particles?
Answer elec- tromagnetism
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