Unit 6 Earth and Space Science – Test Study Guide
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
What substance(s) in our atmosphere has been significantly increased by the process of photosynthesis?
Name 2 chemical cycles (also called biogeochemical cycles).
A process by which plants convert sunlight energy into chemical energy is called __________________.
Name at least 3 greenhouse gases.
Name the greenhouse gas that is being released in the greatest amounts by human activity.
Explain the cause of global warming.
Name the geologic time scale divisions from largest to smallest.
A tree grows one tree ring every _______________________.
Explain the difference between absolute dating and relative dating. Give 2 examples of each.
What does the width of the tree ring indicate about the climate that year?
Which law states that the bottom layer of a rock formation is older than the layer on top?
List the relative ages of the following rock layers from oldest to youngest.
Unit 6 Earth and Space Science – Test Study Guide
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
What substance(s) in our atmosphere has been significantly increased by the process of photosynthesis?
Name 2 chemical cycles (also called biogeochemical cycles).
A process by which plants convert sunlight energy into chemical energy is called __________________.
Name at least 3 greenhouse gases.
Name the greenhouse gas that is being released in the greatest amounts by human activity.
Explain the cause of global warming.
Name the geologic time scale divisions from largest to smallest.
A tree grows one tree ring every _______________________.
Explain the difference between absolute dating and relative dating. Give 2 examples of each.
What does the width of the tree ring indicate about the climate that year?
Which law states that the bottom layer of a rock formation is older than the layer on top?
List the relative ages of the following rock layers from oldest to youngest.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
What process causes the heat and light in stars?
The sun is classified as a (small, medium, large) mass star?
What 3 things help scientists classify stars?
What is the meaning of luminosity?
What color are hot stars? Cool stars? Medium stars?
Be able to name the major regions of an H-R diagram, including main sequence, red and blue giants, and white
dwarfs.
What happens when the core of a star runs out of hyrdrogen?
Explain the protostar phase of a star.
Which stars (small mass or large mass) stay on the main sequence portion of an H-R diagram the longest?
Which word (universe, solar system or galaxy) is best described by “Everything that exists, including all matter and
energy”?
What is the name of our galaxy?
What unit do astronomers use to describe distances between galaxies. Explain what this term means.
What is the currently accepted scientific theory for the origin of the universe?
According to Big Bang Theory, the universe started as small as…
According to Big Bang, when did the universe begin?
Explain redshift. Explain what this tells you about the movement of an object.
Give at least 3 pieces of evidence for Big Bang Theory.
Scientists estimate the earth is _________________________years old.
What process causes the heat and light in stars?
The sun is classified as a (small, medium, large) mass star?
What 3 things help scientists classify stars?
What is the meaning of luminosity?
What color are hot stars? Cool stars? Medium stars?
Be able to name the major regions of an H-R diagram, including main sequence, red and blue giants, and white
dwarfs.
What happens when the core of a stars runs out of hydrogen?
Explain the protostar phase of a star.
Which stars (small mass or large mass) stay on the main sequence portion of an H-R diagram the longest?
Which word (universe, solar system or galaxy) is best described by “Everything that exists, including all matter and
energy”?
What is the name of our galaxy?
What unit do astronomers use to describe distances between galaxies. Explain what this term means.
What is the currently accepted scientific theory for the origin of the universe?
According to Big Bang Theory, the universe started as small as…
According to Big Bang, when did the universe begin?
Explain redshift. Explain what this tells you about the movement of an object.
Give at least 3 pieces of evidence for Big Bang Theory.
Scientists estimate the earth is _________________________years old.