AnswersFL-2001320-EarthSpace Science Honors ASpace Technology

Space Technology — Unit test Answers

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1
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Which technology can observe electromagnetic radiation and avoid light pollution to allow for exploration beyond our solar system?

A
space probe
B
space station
C
space shuttle
D
space observatory
2
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Which is capable of housing astronauts while they conduct research?

A
a rover
B
a satellite
C
a space station
D
a space observatory
3

Which event occurs during high tide?

A
All of Earth’s ocean levels rise.
B
The moon’s orbit is closer to Earth.
C
The gravity of the Sun and moon cause the Earth’s crust and water to bulge.
D
Earth’s crust and water are being pulled in opposite directions by the Sun and moon.
4

Which statement accurately describes a light-year?

A
It is the shape of a galaxy.
B
It is the distance that light travels in a year.
C
It is a yearly measurement of light given off by stars.
D
It is the amount of time it takes light to travel one million kilometers.
5

Some students are conducting a comparative investigation of soil.Which step will they most likely complete as part of this investigation?

A
Collect and observe soil from different areas of the community.
B
Test the texture of one sample of soil.
C
Investigate a property of soil using a control group.
D
Observe the pH of a common type of local soil.
6

Mary is conducting an experiment on how pollution affects plant growth. How can she ensure that her data are reliable?

A
by repeating trials during an experiment
B
by keeping the results private
C
by recording values without units
D
by making a single observation
7

The graph shows the average monthly rainfall for a forested area.

Question illustration
A
April
B
August
C
May
D
October
8

How did Galileo increase public support for Copernicus’s model?

A
by publishing his work in Italian
B
by using data collected by Tycho Brahe
C
by explaining why planets appear to move backward
D
by arguing that Earth’s rotation makes objects appear to move in the sky
9

How was Aristotle’s model similar to Ptolemy’s model?

A
Both models stated that the planets rotate on their axes.
B
Both models stated that Earth is the center of the system around which other objects orbit.
C
Both models stated that the planets and objects in the solar system have small orbits called epicycles.
D
Both models stated that the Sun is the center of the system around which objects have elliptical orbits.
10

Which type of star system has the most stars?

A
open cluster
B
globular cluster
C
eclipsing binary
D
binary star system
11

About how long does it take Earth to complete one revolution around the Sun?

A
1 year
B
14 days
C
24 hours
D
27.3 days
12

What will a medium-mass star become at the very end of its life cycle?

A
a red giant
B
a black hole
C
a black dwarf
D
a neutron star
13

Analyze the pie chart, which shows the abundance of elements in Earth’s crust.

Question illustration
A
aluminum, iron, magnesium, gold
B
gold, aluminum, iron, magnesium
C
gold, magnesium, iron, aluminum
D
iron, aluminum, gold, magnesium
14

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. He used a golf ball, a tennis ball, and a soccer ball. He dropped each ball from the balcony once. Diego recorded his observations after each drop.What can Diego do to best improve the reliability of his results?

A
drop each ball from the platform three more times
B
record his observations in more than one unit
C
write at least two scientific questions after the experiment is complete
D
share his results with other people who have done similar experiments
15

What is a nebula?

A
the core of a massive star
B
a cloud of gas and dust in space
C
a swirling disk with a lot of gravity
D
the debris remaining after a supernova
16

What can be observed only by observing its effects on gravity?

A
dark matter
B
a solar nebula
C
gas and dust
D
a planetesimal
17

Which object(s) formed last in our solar system?

A
the Sun
B
the solar nebula
C
the inner planets
D
the planetesimals
18

Regina conducted an investigation to determine whether earthworms add nutrients to soil. She used two pots of soil. She added three earthworms to the first pot. She did not add any earthworms to the second pot, which was the control. Regina tested the nutrient levels of the soil in both pots after two weeks.What type of investigation is Regina conducting?

A
descriptive
B
comparative
C
experimental
D
procedural
19

Which two characteristics are used to classify stars on the Hertzsprung-Russell diagram?

A
size and density
B
density and composition
C
composition and temperature
D
temperature and absolute brightness
20

What occurs when the moon blocks the view of the Sun?

A
neap tide
B
spring tide
C
solar eclipse
D
lunar eclipse

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