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HMH Module H Unit 2: The Solar System and the Universe Flashcards | StudBud
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HMH Module H Unit 2: The Solar System and the Universe
HMH Module H Unit 2: The Solar System and the Universe
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Questions
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Answers
1
Inner planets have solid cores.
True
False
2
The universe holds _____ galaxies.
Millions of galaxies
Hundreds of galaxies
1 galaxy
10 galaxies
3
Gravity is responsible for the motion of every object in our solar system.
False
True
4
The pull of gravity makes the Earth and all the planets into this shape.
triangle
square
round ball
5
How does the nebular theory describe the formation of the solar system?
Matter form the Big Bang we’re blasted into space and form
An asteroid collision broke apart & became plants and sun
A cloud of spinning dust and&condensed into sun&planets
A star exploded & created the planets we have today
6
Seasons are caused by ...
The tilt of the axis of the earth
The rotation of the earth
The revolution of the earth
The tilt of the axis of the sun
7
What is paralax?
A 1 dimensional picture in a website
A 3D effect on your mobile
Adapting a website to the device being used
the background moving at a slower rate to the foreground
8
Which of these characteristics distinguishes the outer planets from the inner planets?
The outer planets orbit in a different direction
The our planets have smaller diameters
The outer planets have higher densities
The outer planets have many moons
9
Earth and Jupiter are both planets orbiting the sun. Which of these other features do the two planets have in common?
They rotate about an axis
They have a thin atmosphere
Their orbits are the same length
They have about the same mass
10
What is shown by the arrow on the picture below?
why the planet has seasons
how the planet rotates on its axis
how the planet revolves around the sun
why the planet has seasons
11
What is the role of gravity in the universe?
the powerful force that glues our universe together.
All of the above
the force that separates the universe and radiation that keeps it together.
Only found on earth
12
Which planet in our solar system most likely has a mass more than 300 times greater than Earth's mass?
Mars
Mercury
Venus
Jupiter
13
What will you find between the inner and outer planets?
asteriods
meteorites
moons
comets
14
Which planet has a large solid core?
Jupiter
Neptune
Uranus
Mercury
15
Retrograde motion is...
When planets jump from place to place in the sky
When planets appear to move backwards
When planets appear to get dimmer and brighter
When planets look like they disappear
16
what is the third law of motion
forces in an object
for every action there is an opposite and equal reaction
the sum of all forces
mass
17
What theory tries to explain the formation of the Solar System?
Granular
Secular
Nebular
Tubular
18
Stars that appear small from Earth's surface look that way because they are closer to the Earth.
True
False
19
The universe is not expanding
False
True
20
Outer planets have large solid cores.
False
True
21
What tool should we use to see more detail about a small area of the sky?
hand lens
telescopes
photoscope
microscopes
22
Elliptical galaxies are brightest toward the center because the center is crowded with stars.
False
True
23
What does a comet orbit?
Planets like Jupiter
None of these Answers
Other Comets
The Sun and other stars
24
what is the second law of motion
motion of any kind
an object's ability to resists a change in motion
changing motion in the moon
acceleration of an object depends on the object's mass.
25
how many laws does newton have?
2
1
all of the above
3
26
Gravity is caused by
A Magnetic Field
Gravity isn't caused by anything, it's just there
The amount of Mass an object has
27
Why are some constellations seasonal?
Some can only be seen during certain times in our orbit.
Some stars in the sky go dark for part of the year
The stars in the sky move to other galaxies
Some move closer or further from the Earth
