What is the definition of a heliocentric model?

Models of the Solar System centered around the Sun

What did Isaac Newton do?

Pioneered the modern studies of motion, optics, and gravity

What did Tycho Brahe do?

Designed and built tools to took more accurate measurements

What is the definition of Kepler's Three Laws?

Laws that describe the motion of planets around the Sun

What is the definition of a geocentric model?

Models of the Solar System centered around the Earth

What is the definition of an epicycle?

A small and circular orbit imposed on another circular orbit

What did Galileo Galilei do?

Coined the term satellites and developed a better telescope

What is the definition of a period?

The time required for a repetitive process to repeat

What did Aristarchus of Samos do?

Predicted the heliocentric model using geometry

What is the definition of a semimajor axis?

Half the long dimension of an ellipse

What is the definition of angular size?

A measure of how larger an object looks to you

The definition of parallax?

Shift in a position caused by the observer’s motion

What is the definition of moon illusion?

Illusion in which the Moon appears larger near the horizon

What is the definition of an ellipse?

A geometric figure flattened into an oval shape

Developed laws of planetary motion

What is the definition of focus?

One of two points used to generate the elliptical shape

What did Aristotle do?

Developed the theory that the Earth was in fact a sphere

Developed a more complex model that included epicycles

What is the definition of retrograde motion?

The drift of a planet westward against the background stars

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Chapter 2 Vocabulary

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An #astronomy quiz to help learn the chapter 2 vocabulary: Cycles of the Sky.

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Questions 21

Answers

1
What is the definition of a heliocentric model?
Models of the Solar System centered around Jupiter
Models of the Solar System centered around the Sun
Models of the Solar System centered around Earth
Models of the Solar System centered around Mars
2
What did Isaac Newton do?
Pioneered the modern studies of motion, optics, and gravity
Pioneered the study of astronomy
Pioneered the study of mathematics
Pioneered the study of biology
3
What did Tycho Brahe do?
Designed the telescope
Designed and built tools to took more accurate measurements
Designed tools for archeology
Designed physics
4
What is the definition of a satellite?
The stars floating around the Sun
A body orbiting a planet
A body floating in the sea
The planets orbiting the Sun
5
What is the definition of Kepler's Three Laws?
Laws about speeding
Law that describe the motion of a car speeding down the road
Laws regarding physics
Laws that describe the motion of planets around the Sun
6
What is the definition of a geocentric model?
Models of the Solar System centered around Jupiter
Models of the Solar System centered around the Earth
Models of the Solar System centered around the Sun
A model based on the Earth's orbit around the Moon
7
What is the definition of an epicycle?
A geometric figure flattened to an oval
A body orbiting a planet
The illusion which the Moon appears larger near the horizon
A small and circular orbit imposed on another circular orbit
8
What did Galileo Galilei do?
Discovered the stars
Coined the term satellites and developed a better telescope
Discovered the planets
Introduced the laws of motion
9
What is the definition of a period?
Punctuation at the end of sentence
The time required for a class to be quiet for a teacher
The time required for a repetitive process to repeat
The time required for someone to fall asleep
10
What did Aristarchus of Samos do?
Proved the geocentric model
Proved the laws of motion
Predicted the heliocentric model using geometry
Proved the Solar System does exist
11
What is the definition of a semimajor axis?
Third the long dimension of an ellipse
Quarter the long dimension of an ellipse
Half the long dimension of an ellipse
The complete long dimension of an ellipse
12
What is the definition of angular size?
The size of an angle
The size of the solar system
One of two points used to generate the elliptical shape
A measure of how larger an object looks to you
13
The definition of parallax?
The shift of a car falling off a bridge
The shift of an observer caused by motion
Fake news
Shift in a position caused by the observer’s motion
14
What is the definition of moon illusion?
Illusion in which the Moon appears larger near the horizon
How big the moon actually is
Proof that the moon landing was fake
How big the moon looks to a dog
15
What did Copernicus do?
Proved the geocentric model
Proved the heliocentric model
Discovered satellites
Discovered the stars
16
What is the definition of an ellipse?
A law that describes motion
A geometric figure flattened into an oval shape
Figure that helped astronomers figure out retrograde motion
A circle
17
What did Kepler do?
Developed laws of gravity
Developed laws of motion
Developed laws of physics
Developed laws of planetary motion
18
What is the definition of focus?
What a person does when trying to work
Two points used to generate a circle
One of two points used to generate the elliptical shape
Four points used to make a square
19
What did Aristotle do?
Developed the theory of fake news
Developed the theory of astrophyics
Developed the theory that the Earth is flat
Developed the theory that the Earth was in fact a sphere
20
What did Ptolemy do?
Developed the laws of physics
Developed the laws of motion
Developed the laws of gravity
Developed a more complex model that included epicycles
21
What is the definition of retrograde motion?
The drift of the planets farther away from the Sun
The drift of the stars backwards
The drift of a planet westward against the background stars
The drift of the sea against the shore

Chapter 2 Vocabulary Flashcards | StudBud