Question: Choose your answer.

Barry collected four different rocks. The rock with the GREATEST mass will feel the ___.

OPTIONS:
- heaviest
- smoothest
- sharpest
- hardest
My Answer: heaviest

Question: Choose your answer.

When a thin slice from an onion is viewed through a microscope, lots of little box-like shapes are seen. These shapes are most likely

OPTIONS:
- atoms.
- dust.
- cells.
- bubbles.
My Answer: cells.

Question: Choose your answer.

A student uses a telescope to view stars at night. The student notices some of the stars are different colors. The color of a star is determined most by its

OPTIONS:
- size.
- distance from Earth.
- mass.
- temperature.
My Answer: temperature.

Question: Choose your answer.

Which of the following helps to produce urine in humans and other mammals?

OPTIONS:
- bladder
- urethra
- kidneys
- ureter
My Answer:
kidneys