AnswersRMA FL-2001310-EarthSpace Science Semester 1Cumulative Exam

Cumulative Exam — Cumulative exam Answers

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1
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Which statement places events during the Space Race in the correct order from the earliest to the most recent?

A
NASA was established, US satellite Explorer launched, first man walked on the moon, first man orbited the Earth
B
first man walked on the moon, first man orbited the Earth, NASA was established, US satellite Explorer launched
C
US satellite Explorer launched, NASA was established, first man orbited the Earth, first man walked on the moon
D
first man orbited the Earth, first man walked on the moon, US satellite Explorer launched, NASA was established
2
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Which describes one event that causes an eclipse?

A
Earth’s rotation on its axis
B
shadows from clouds covering Earth
C
Earth’s shadow covering the moon
D
the gravity from the moon and Sun pulling in the same direction
3

Which is a difference between the Paleozoic and Mesozoic era?

A
Animals lived in the water during the Mesozoic and on land in the Paleozoic.
B
The first birds emerged in the Paleozoic era while mammals first emerged in the Mesozoic.
C
Many different species of dinosaurs lived in the Mesozoic, but they all died off in the Paleozoic.
D
Animal complexity increased during the Paleozoic while the first flowering plants appeared in the Mesozoic era.
4

Look at the graph below.

Question illustration
A
calcium and iron
B
calcium and sodium
C
potassium and magnesium
D
potassium and sodium
5

Farah is doing an experiment that involves calculating the speed of a longitudinal wave. What will most likely happen if she increases the temperature in the room?

A
The amplitude of the wave will increase.
B
The amplitude of the wave will decrease.
C
The speed of the wave will increase.
D
The speed of the wave will decrease.
6

Look at the image of the moon.

Question illustration
A
full moon
B
third quarter
C
waxing gibbous
D
waning crescent
7

In which era did mammals emerge?

A
Cenozoic
B
Mesozoic
C
Paleozoic
D
Precambrian
8

Tony uses the device shown in the diagram to model how an electromagnet is used in his uncle’s scrap metal yard.

Question illustration
A
removing the battery
B
removing the iron nail
C
moving the wire loops closer together
D
spreading the wire loops farther apart
9

Marcus plucks at an outstretched coil and observes the following wave motion. What is the motion of the particles in this kind of wave?

Question illustration
A
The particles will move up and down over large areas.
B
The particles will move up and down over small areas.
C
The particles will move side to side over small areas.
D
The particles will move side to side over large areas.
10

The cryosphere is part of which sphere of the Earth system?

A
atmosphere
B
biosphere
C
geosphere
D
hydrosphere
11

Sara has made this list to summarize what she learned in science class today: 1. Core 2. Radiation zone 3. Convection zone What is the best title for her list?

A
The Layers of the Interior of the Sun
B
The Layers of the Sun
C
The Layers of the Atmosphere of the Sun
D
The Main Layers of the Sun
12

Look at this image of a star cluster.

Question illustration
A
open
B
binary
C
globular
D
eclipsing
13

Which statement describes Earth?

A
It is an outer planet.
B
It is a gaseous planet.
C
It was formed from gas and dust.
D
It has a thick atmosphere of hydrogen and helium.
14

Which wave is carrying the most energy?

A
A wave with large amplitude.
Option A
B
A wave with very large amplitude.
Option B
C
A wave with small amplitude.
Option C
D
A wave with medium amplitude.
Option D
15

Study this image of space.

Question illustration
A
a nebula
B
a red giant
C
a supernova
D
a neutron star
16

A college student has been assigned to write captions for a new textbook on gravity and motion. This is one of the pictures from the textbook.

Question illustration
A
The moon moves toward the Sun due to gravity.
B
The moon will move away from Earth because of inertia.
C
The moon would move in a circular path if there were no forces.
D
The moon would not stay in orbit without the pull of Earth's gravity.
17

NASA has developed technology for mapping the surface of Mars. Which equipment is responsible for carrying this technology on Mars?

A
2020 rover
B
Orion vehicle
C
Parker probe
D
Hubble telescope
18

Once started, why can nuclear fission continue to occur on its own?

A
The thermal energy released can cause the products to join.
B
The neutron formed by the reaction can cause more nuclei to combine.
C
The thermal energy released can cause the products to split.
D
A neutron begins the reaction, and more neutrons are formed in it.
19

The image shows the right-hand rule being used for a current-carrying wire.

Question illustration
A
When the current flows down the wire, the magnetic field flows out on the left side of the wire and in on the right side of the wire.
B
When the current flows up the wire, the magnetic field flows out on the left side of the wire and in on the right side of the wire.
C
When the current flows down the wire, the magnetic field flows in on the left side of the wire and out on the right side of the wire.
D
When the current flows up the wire, the magnetic field flows in on the left side of the wire and out on the right side of the wire.
20

Which force keeps the planets from floating off into space?

A
Earth’s gravity
B
the Sun’s gravity
C
the moon’s gravity
D
Milky Way’s gravity

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