Chapter 3 - The Science Of Astronomy

Question 0

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

Answer 0

Parallax

Question 1

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

Answer 1

Year

Question 2

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

Answer 2

Month

Question 3

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

Answer 3

Force

Question 4

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

Answer 4

Gravity

Question 5

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

Answer 5

Day

Question 6

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

Answer 6

Retrograde motion

Question 7

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

Answer 7

Potential

Question 8

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

Answer 8

Summer solstice

Question 9

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

Answer 9

Big Bang

Question 10

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

Answer 10

Summer solstice

Question 11

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

Answer 11

Heliocentrism

Question 12

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

Answer 12

Kepler

Question 13

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

Answer 13

Brahe

Question 14

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

Answer 14

Aristotle

Question 15

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

Answer 15

Galileo

Question 16

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

Answer 16

Hubble

Question 17

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

Answer 17

Newton

Question 18

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

Answer 18

Galileo

Question 19

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

Answer 19

Newton

Question 20

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

Answer 20

The shape of planetary orbits

Question 21

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

Answer 21

The telescope

Question 22

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

Answer 22

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

Question 23

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

Answer 23

F= m a

Question 24

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

Answer 24

Speed

Question 25

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

Answer 25

Speed up

Question 26

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

Answer 26

The moons of Neptune

Question 27

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

Answer 27

Nuclear fusion

Question 28

What is the energy of motion?

Answer 28

Kinetic

Question 29

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

Answer 29

GRAVITY

Question 30

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

Answer 30

Geocentric

Question 31

What is the energy of motion?

Answer 31

Kinetic

Question 32

Who developed the SUN CENTERED model of the universe?

Answer 32

Copernicus

Question 33

Who developed the earth centered model of the universe?

Answer 33

Aristotle

Question 34

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

Answer 34

Newton

Question 34

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

Answer 34

Fly off into space

Question 34

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

Answer 34

Ellipse

Question 34

Finish this sentence: | Acceleration due to gravity is the ————— regardless of their__________

Answer 34

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

Question 35

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

Answer 35

Gravity | Mass of the object