Comprehension Cards

Ruby 2:
Liquid, Gas or Solid?
1. Water Vapor is able to rise because it is lighter than:
(a) salt
(b) air-A- Correct Answer
(c) steam


2. Ice floats in liquid water because it is:
(a) salty
(b) lighter than air
(c) less dense-A- Correct Answer

3. The pronoun it in the Paragraph 6 refers to the:
(a) moon-A- Correct Answer
(b) south pole
(c) colony

4. The last thing that happens when you heat ice is it becomes:
(a) water vapor-A- Correct Answer
(b) warmer
(c) water

5. The main idea of Paragraph 2 is to:
(a) explain the scientific properties of water
(b) identify the various ways in which water is used
(c) outline the various forms water can take, and why and how it changes-A-Correct Answer

6. It is a fact, not an option that water is:
(a) a chemical substance essential for life-A- Correct Answer
(b) wonderful because it can change shape
(c) a fabulous resource

7. Select the group which does not rely on water for its survival:
(a) industry
(b) non living things-A-Correct Answer
(c) living things

8. The word dense in Paragraph 2 can be replaced with:
(a) compacted-A-Correct Answer
(b) stupid
(c) overpowering

9. The word aquifers in Paragraph 3 means
(a) moving water
(b) things made by water
(c) underground supplies of fresh water-A- Correct Answer

10. The moon and earth are possibly similar because they both have:
(a) aliens
(b) colonization
(c) ice-A- Correct Answer

11. What needs to happen to water in order for it to become lighter than air:
(a) It needs to freeze
(b) Its chemical structure needs to change-A-
(c) Its physical form needs to change-Correct Answer

12. Which statement is a fact, not an opinion
(a) Water is cool and refreshing
(b) Water is the only substance which can be found in three different states in nature-A-Correct Answer
(c) It is fun to go skiing on the water