Which event should come first in the sequence of events?(1 point)
Responses
He mowed the lawn.
He read the note on the refrigerator.
The boy came home.
The boy went out to the yard.
The correct sequence of events is:
1. The boy went out to the yard.
2. He mowed the lawn.
3. He read the note on the refrigerator.
4. The boy came home.
Which event should come second in the sequence of events?(1 point)
Responses
The egg lay in the nest.
The egg lay in the nest.
The chick shook its wings.
The chick shook its wings.
A beak broke through.
A beak broke through.
A tiny crack appeared.
The correct sequence of events is:
1. The egg lay in the nest.
2. A tiny crack appeared.
3. A beak broke through.
4. The chick shook its wings.
Which of the following best explains why Mars' and Venus' surface temperatures vary, despite both planets having atmospheres that contain mostly carbon dioxide?(1 point)
Responses
Mars has a thin atmosphere that cannot hold much heat.
Mars has a thin atmosphere that cannot hold much heat.
Venus has a thick atmosphere which blocks heat from the surface.
Venus has a thick atmosphere which blocks heat from the surface.
Mars has a surface of red rocks and sand which reflect heat.
Mars has a surface of red rocks and sand which reflect heat.
Venus has a surface of high mountains which absorb heat.
The following explanation best explains why Mars' and Venus' surface temperatures vary, despite both planets having atmospheres that contain mostly carbon dioxide:
Venus has a thick atmosphere which blocks heat from the surface.
Why is Venus the hottest solar system planet?(1 point)
Responses
It has abundance of nitrogen and oxygen gases.
It has abundance of nitrogen and oxygen gases.
It has a core, a mantle, and a crust.
It has a core, a mantle, and a crust.
It is closest to the sun.
It is closest to the sun.
Its atmosphere is rich in carbon dioxide gas.
The correct response is:
Its atmosphere is rich in carbon dioxide gas.
The weight of an object depends on the force of gravity acting on it. On which planet would a given object weigh the most?
(1 point)
Responses
Jupiter
Jupiter
Mars
Mars
Saturn
Saturn
Earth
The correct response is:
Jupiter
Which percent of Earth’s atmosphere does carbon dioxide gas make up?(1 point)
Responses
about 21 percent
about 21 percent
about 78 percent
about 78 percent
less than 1 percent
less than 1 percent
more than 99 percent