Q: Which nongaseous compound can be made from two elements that are gases at room temperature? OPTIONS:
- water
- table salt
- iron oxide
- carbon dioxide
A: water

Repeating experiments improves the likelihood of accurate results because the overall results are
OPTIONS:
- less likely to prove the hypothesis correct.
- more likely to prove the hypothesis correct.
- less likely to be correct due to fewer errors being made.
- more likely to be correct due to fewer errors being made.

more likely to be correct due to fewer errors being made.

Q: What happens to water molecules during the boiling process? ---- OPTIONS:
- They move faster and move farther apart as they absorb heat.
- They move faster and remain close together as they absorb heat.
- They move more slowly but move farther apart as they lose heat.
- They move faster and move farther apart as they lose heat.

A: They move faster and move farther apart as they absorb heat.

Harmful ultraviolet rays from the Sun are primarily absorbed by
===
OPTIONS:
- dust.
- ozone.
- land masses.
- water vapor.

ozone.

Question:
Several tomato plants are grown indoors next to a sunny window. The plants receive water and fertilizer and remain on the windowsill. What will most likely happen?
OPTIONS:
- Most of the leaves on the window side will wilt and die.
- The roots of the plants will grow upward from the soil.
- Water droplets will collect on the leaves facing away from the window.
- The stem will bend toward the window.
Answer:
The stem will bend toward the window.

*Question*: Which sequence correctly shows the levels of organization for structure and function in a human? OPTIONS:
- cell -> tissue -> organ -> organ system
- organ system -> cell -> tissue -> organ
- tissue -> organ -> organ system -> cell
- cell -> organ -> tissue -> organ system
*Answer*:
cell -> tissue -> organ -> organ system