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Astronomy > Chapter 3 - The Science Of Astronomy > Flashcards

Chapter 3 - The Science Of Astronomy Flashcards

0
Q

What is an apparent movement of an object due to the movement of the observer?
A. Speed
B. Parallax
C. Velocity

A

Parallax

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1
Q

What is the time it takes for the earth to orbit the sun?
A. Month
B. Day
C. Year

A

Year

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2
Q

How long it takes for the moon to orbit the Earth is called what?
A. Month
B. Day
C. Year

A

Month

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3
Q

What is an influence of motion (push, pull, gravity, friction)?
A. Velocity
B. Force
C. Gravity

A

Force

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4
Q

What is the force of attraction between two objects based on mass and distance?
A. Force
B. Acceleration
C. Gravity

A

Gravity

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5
Q

What is the time it takes for the earth to revolve around its axis once?
A. Day
B. Month
C. Year

A

Day

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6
Q

What is the movement of objects across the sky from east to west?
A. Retrograde motion
B. Astronomical unit
C. Heliocentris

A

Retrograde motion

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7
Q

What is stored energy called?
A. Kinetic
B. Force
C. Potential

A

Potential

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8
Q

When is the sun at the highest point in the sky?
A. Summer solstice
B. Winter solstice
C. Fall solstice

A

Summer solstice

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9
Q

What is the term that describes the formation of the universe?
A. Big Bang
B. Heliocentrism
C. Gravity

A

Big Bang

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10
Q

When is the sun in the highest altitude in the sky?
A. Summer solstice
B. Winter solstice
C. Fall solstice

A

Summer solstice

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11
Q

What is the idea that the sun is the center of the universe called?
A. Heliocentrism
B. Astronomical unit
C. Summer solstice

A

Heliocentrism

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12
Q

Who described the shape and speed of planetary orbits?
A. Brahe
B. Einstein
C. Kepler

A

Kepler

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13
Q

Who made precise measurements about the positions of planets?
A. Brahe
B. Kepler
C. Hubble

A

Brahe

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14
Q

Who asserted that the universe was governed by physical law?
A. Newton
B. Aristotle
C. Galileo

A

Aristotle

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15
Q

Who was the first to look into the telescope at the sky?
A. Kepler
B. Copernicus
C. Galileo

A

Galileo

16
Q

Who asserted that the universe was expanding and measured the speed that the galaxies are moving apart?
A. Hubble
B. Einstein
C. Newton

A

Hubble

17
Q

Who’s second law states that his 2nd law states that force is determined by the mass and acceleration of an object?
A. Kepler
B. Galileo
C. Newton

A

Newton

18
Q

Who discovered the moon and Jupiter’s sun spots?
A. Aristotle
B. Hubble
C. Galileo

A

Galileo

19
Q

Who’s law states that for every action there is an equal and opposite reaction?
A. Kepler
B. Galileo
C. Newton

A

Newton

20
Q

Kepler’s three laws are important for describing what?
A. The shape of planetary orbits
B. Sun centered solar system
C. Gravity

A

The shape of planetary orbits

21
Q

What was Galileo the first to use?
A. Microscope
B. The laws of inertia
C. The telescope

A

The telescope

22
Q

What is Newtons law of inertia best described as?
A. F=m a
B. A body at rest stays at rest or moves in a straight line at a constant speed unless acted on by a force
C. Action-reaction

A

A body at rest stays at rest or moves in a straight line at a constant speed unless acted on by a force

23
Q

Newton’s second law that says the amount of acceleration the force provides depends on the force it produces and the mass of an object is best described as what?
A. Law of inertia
B. Action-reaction
C. F= m a

A

F= m a

24
Q

The main factors that affect gravity are the following except what?
A. Mass
B. Speed
C. Distance

A

Speed

25
Q

According to Kepler, as planets get closer to the sun in there orbit they what?
A. Slow down
B. Change the shape of the orbit
C. Speed up

A

Speed up

26
Q

Galileo saw all but what through the telescope?
A. Craters on the moon
B. The moons of Jupiter
C. The moons of Neptune

A

The moons of Neptune

27
Q

The source for energy for the sun is what?
A. Gravity
B. Nuclear fusion
C. Electricity

A

Nuclear fusion

28
Q

What is the energy of motion?

A

Kinetic

29
Q

What does Einstein’s theory of General Relativity include that is different from his theory of Relativity?

A

GRAVITY

30
Q

What is the model of the universe that has the earth in the center of the universe?

A

Geocentric

31
Q

What is the energy of motion?

A

Kinetic

32
Q

Who developed the SUN CENTERED model of the universe?

A

Copernicus

33
Q

Who developed the earth centered model of the universe?

A

Aristotle

34
Q

Who was the first to use math to describe the universe and how it worked?

A

Newton

34
Q

If the orbit velocity of an object around the earth is too fast - - what will the object do?

A

Fly off into space

34
Q

What is the best way to describe the shape of the orbit of the planets?

A

Ellipse

34
Q

Finish this sentence:

Acceleration due to gravity is the ————— regardless of their__________

A

Acceleration due to gravity is the SAME regardless of their MASS.

35
Q

What are the two most important factors that determine the force of gravity?

A

Gravity

Mass of the object

Astronomy (10 decks)

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