Question

1. ____ is anything that takes up space and has mass. a. density b. weight c. volume d. matter
2. which phase of matter has no definite shape and no definite volume? a. solid b. liquid c. gas d. plasma
3. a social movement dedicated to protecting the natural world - including people - from the harmful changes produced by human activities a. environment b. environmental science c. environmentalism d. ethics
4. all living and non - living things with which organisms interact. a. natural resource b. environment c. environmental science d. environmentalism
5. what are the three factors of sustainability? a. social factors b. economic factors c. environmental factors d. choices a, b, and c
6. which of these is an example of a change in physical properties of matter? a. water freezing b. iron rusting c. wood burning d. all choices are correct
7. which of these things are you most likely to find in a sustainable home? a. led lightbulbs b. leaking pipes c. a gas burning stove d. a large car in the garage
8. which state of matter has particles that are tightly packed? a. liquid b. gas c. solid d. all choices are correct
9. what is the difference between biotic and abiotic? a. biotic are non - living things b. abiotic are living organisms c. biotic is living, abiotic is non - living d. biotic is non - living, abiotic is living
10. when a physical change in a sample occurs, which of the following does not change? a. shape b. temperature c. volume d. composition

Explanation:

1. Matter is defined as anything that takes up space and has mass.
2. Gas has no definite shape and no definite volume.
3. Environmentalism is a social - movement to protect the natural world from harmful human - caused changes.
4. The environment consists of all living and non - living things with which organisms interact.
5. The three factors of sustainability are social, economic, and environmental factors.
6. Water freezing is a physical change. Iron rusting and wood burning are chemical changes.
7. LED lightbulbs are energy - efficient and commonly found in sustainable homes.
8. Solids have tightly packed particles.
9. Biotic refers to living things, and abiotic refers to non - living things.
10. In a physical change, the composition of the substance does not change.

Answer:

1. d. Matter
2. c. gas
3. c. Environmentalism
4. b. Environment
5. d. Choices a, b, and c
6. a. Water freezing
7. a. LED Lightbulbs
8. c. solid
9. c. Biotic is living, Abiotic is non - living
10. d. composition