Question 1 (1 point)

Why are the directions of east and west ambiguous at the north pole and the south pole?

Question 1 options:

1)	People don't live there permanently to identify the directions clearly.

2)	The Earth rotates fastest at these locations.

3)	It is impossible to tell in which direction the Earth is rotating.

4)	These locations don't circle about the rotational axis.

Question 2 (1 point)

What instrument did French physicist Jean Foucault use to demonstrate the Earth's rotation?

Question 2 options:

1)

Telescope

2)

Pendulum

3)	Protractor

4)

Yardstick

5)	Meter stick

6)

Sextant

7)	Chronometer

Question 3 (1 point)

Which scientist developed the theoretical basis that explained the rules and observations collected by the astronomers before him?

Question 3 options:

1)

Newton

2)

Galileo

3)

Einstein

4)

Kepler

5)	Copernicus

6)

Ptolemy

7)

Aristotle

8)

Hawking

Question 4 (1 point)

Which statement is true about viewing the sky from the north pole?

Question 4 options:

1)	Objects north of the celestial equator appear to move perpendicularly to the celestial equator.

2)	Objects north of the celestial equator appear to move perpendicularly to the horizon.

3)	Objects north of the celestial equator rise and set every day.

4)	Objects north of the celestial equator are always visible all year.

5)	Objects north of the celestial equator are always above the horizon.

Question 5 (1 point)

What is an epicycle in Ptolemy's model of the solar system?

Question 5 options:

1)	A circle that represents an object's orbit around the sun.

2)	A circle that represents an object's orbit around the Earth.

3)	A circle that represents a deferent's orbit around the sun.

4)	A circle that represents a deferent's orbit around the Earth.

5)	An elliptical path representing an object's orbit around the Earth.

6)	An elliptical path representing an object's orbit around the sun.

7)	A circle that represents a planet's motion as its epicycle moves along a deferent.

Question 6 (1 point)

What is a comet?

Question 6 options:

1)	The objects that formed in the solar nebula as an intermediate step between tiny grains and larger planetary objects.

2)	A part of an asteroid that is found on the Earth's surface.

3)	A small piece of solid matter that burns up as it passes through the atmosphere.

4)	A small body of icy and dusty matter that orbits the sun.

5)	A stony or metallic object orbiting the sun that is smaller than a major planet, but has no atmosphere or other types of activity.

Question 7 (1 point)

Which statement is true about the Brackett series for the hydrogen atom?

Question 7 options:

1)	It involves transitions to or from the ground excited state.

2)	It involves transitions to or from the fourth excited state.

3)	It involves transitions to or from the third excited state.

4)	It involves transitions to or from the first excited state.

5)	It involves transitions to or from the fifth excited state.

6)	It refers to all electron transitions for the hydrogen atom.

Question 8 (1 point)

What is the boiling point temperature of water on the Kelvin scale, at standard sea level air pressure?

Question 8 options:

1)

373

2)

273

3)

212

4)

100

5)

32

6)

48

7)

454

Question 9 (1 point)

Which is the most abundant element in the sun and in the universe?

Question 9 options:

1)

Hydrogen

2)

Helium

3)

Sodium

4)

Oxygen

5)

Lithium

6)

Radon

Question 10 (1 point)

Which statement is true about electromagnetic waves?

Question 10 options:

1)	Electromagnetic waves can propagate through a vacuum.

2)	Electromagnetic waves can only propagate through a vacuum.

3)	Electromagnetic waves require a medium through which to travel.

4)	Different types of electromagnetic waves travel at different speeds.

5)	Electromagnetic waves can only travel through water or air.

6)	Electromagnetic waves require aether as a medium in which to travel.