Unit 1 Astronomy Vocab Review

Multiple Choice

Aphelion is what?

• The point in the orbit of a planet, asteroid, or comet are the furthest from the sun

• An oval shape centered on two points instead of one

• Huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity

• All planets move in elliptical orbits with the sun at one focus

Multiple Choice

Kepler's 2nd talks about what?

• It talks about the sun and how much energy it produces

• A rotating, interstellar cloud of gasses and dust that collapsed due to gravity, forming a sun and orbiting planets

• A planet moves faster around the sun the closer it comes

• How the planets in the outer solar system are cold

Multiple Choice

What is Barycenter?

• The point in the orbit of a planet, asteroid, or comet are the furthest from the sun

• It is space

• The center of mass between a planet and the sun

• It is a snack

Multiple Choice

Kepler's 3rd law describes....

• The time it takes for a planetary body to make one orbit around another, larger body

• The closer a planet is to the Sun, the shorter its orbital period is

• the wobble in Earth’s rotational axis

• A sun together with the group of celestial bodies that revolve around it

Multiple Choice

What is an axis?

• Planets cover equal areas in equal time therefore changing speed

• The invisible line around which an object rotates or spins

• A group of 30 or more galaxies kept together by mutual gravitational attraction

• A large spiral system of gas, dust, and billions of stars and their solar systems, all held together by gravity - our galaxy

Multiple Choice

What is an ellipse?

• An oval shape centered on two points instead of one

• A group of 30 or more galaxies kept together by mutual gravitational attraction

• A large spiral system of gas, dust, and billions of stars and their solar systems, all held together by gravity - our galaxy

• A new type of dog

Multiple Choice

What is a focus?

• The point in the orbit of a planet, asteroid, or comet are the furthest from the sun

• All of space, as well as all the matter and energy that space contains - planets, suns, moons, etc. 

• The two points that make up and ellipse

• An invisible line that divides the Earth into northern and southern hemispheres

Multiple Choice

A galaxy is......

• Huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity

• All planets move in elliptical orbits with the sun at one focus

• Another name for the zero line of longitude

• The same thing as a planet

Multiple Choice

Kepler’s 1st Law says what?

• A group of 30 or more galaxies kept together by mutual gravitational attraction

• Countries cannot build colonies on the Moon or Mars

• All planets move in elliptical orbits with the sun at one focus

• Lines of latitude are parallel

Multiple Choice

A nebula is .....

• The point in the orbit of a planet, asteroid, or comet where they are closest to the sun

• A group of 30 or more galaxies kept together by mutual gravitational attraction

• The time it takes for a planetary body to make one orbit around another, larger body

• A rotating, interstellar cloud of gasses and dust that collapsed due to gravity, forming a sun and orbiting planets

Multiple Choice

During perihelion what is happening?

• The point in the orbit of a planet, asteroid, or comet where they are closest to the sun

• The sun is losing energy

• All of space, as well as all the matter and energy that space contains - planets, suns, moons, etc.

• A new galaxy is forming

Multiple Choice

What is revolution in astronomy?

• A battle between two stars for energy

• The time it takes for a planetary body to make one orbit around another, larger body

• A planet moves faster around the sun the closer it comes

• A collection of stars, dust, and gas bound together by gravity

Multiple Choice

This type of planet is relatively large, made of gasses, is less dense, and forms far from the Sun.

• Jovian

• Terrestrial

• Dwarf

• Comets

Multiple Choice

This type of planet is relatively small, rocky, dense, and forms in the outer solar system.

• Jovian

• Terrestrial

• Dwarf

• Comets

Multiple Choice

This type of planet is relatively small, rocky, dense, and forms close to the Sun.

• Jovian

• Terrestrial

• Dwarf

• Comets

Multiple Choice

What does rotation mean in astronomy?

• the wobble in Earth’s rotational axis

• All of space, as well as all the matter and energy that space contains - planets, suns, moons, etc. 

• All planets move in elliptical orbits, with the sun at 1 focus.

• The movement or path of the Earth or a heavenly body turning on its axis

Multiple Choice

What is a solar system?

• A sun together with the group of celestial bodies that revolve around it

• All of space, as well as all the matter and energy that space contains - planets, suns, moons, etc. 

• A rotating, interstellar cloud of gasses and dust that collapsed due to gravity, forming a sun and orbiting planets

• A large spiral system of gas, dust, and billions of stars and their solar systems, all held together by gravity - our galaxy

Multiple Choice

Planets orbit their sun in a shape called

• Ellipse

• Circle

• Square

• Triangle

Multiple Choice

What is an orbit?

• A sun together with the group of celestial bodies that revolve around it

• A regular, repeating path one object takes around another object or center of gravity

• A type of candy

•  the wobble in Earth’s rotational axis

Multiple Choice

The universe is what?

• All of space, as well as all the matter and energy that space contains - planets, suns, moons, etc. 

• A sun together with the group of celestial bodies that revolve around it

• The time it takes for a planetary body to make one orbit around another, larger body

• The movement or path of the Earth or a heavenly body turning on its axis

Multiple Choice

A spring tide is best described as?

• The time at which the tide reaches its highest level

• the tide with the least difference between consecutive low and high tides

• The tide with the greatest difference between consecutive low and high tides

• The time at which the tide reaches its lowest level

Multiple Choice

A neap tide is best described as?

• The time at which the tide reaches its highest level

• the tide with the least difference between consecutive low and high tides

• The tide with the greatest difference between consecutive low and high tides

• The time at which the tide reaches its lowest level

Multiple Choice

High tide is best described as?

• The time at which the tide reaches its highest level

• the tide with the least difference between consecutive low and high tides

• The tide with the greatest difference between consecutive low and high tides

• The time at which the tide reaches its lowest level

Multiple Choice

Low tide is best described as?

• The time at which the tide reaches its highest level

• the tide with the least difference between consecutive low and high tides

• The tide with the greatest difference between consecutive low and high tides

• The time at which the tide reaches its lowest level

Multiple Choice

What is fusion?

• All of the frequencies or wavelengths of electromagnetic radiation

• Creation of energy by joining the nuclei of two hydrogen atoms to form helium

• The splitting of an atomic nucleus to release energy

• Creation of energy using flowing water

Multiple Choice

What is the electromagnetic spectrum?

• All of the frequencies or wavelengths of visible light

• Electromagnetic waves with the shortest wavelengths and highest frequencies

• A stream of electrically charged particles produced by the sun's corona

• All of the frequencies or wavelengths of electromagnetic radiation

Multiple Choice

What is the solar wind?

• When wind on Earth is very strong and hot

• A stream of electrically charged particles produced by the sun's corona

• Invisible radiation from the sun that cause sun tan, sun burn and skin cancer

• Electromagnetic waves with the longest wavelengths and lowest frequencies

Multiple Choice

UV rays are best described as what?

• a form of energy that travels in waves

• Invisible radiation from the sun that cause sun tan, sun burn and skin cancer

• Electromagnetic radiation that can be seen with the eye

Multiple Choice

What is visible light?

• The invisible line around which an object rotates or spins

• electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves

•  the wobble in Earth’s rotational axis

• Electromagnetic radiation that can be seen with the eye

Multiple Choice

What is photosynthesis?

• A change in the angle of the tilt of the Earth’s axis

• The point in the orbit of a planet, asteroid, or comet where they are closest to the sun

• Conversion of light energy from the sun into chemical energy

• The point in the orbit of a planet, asteroid, or comet are the furthest from the sun

Multiple Choice

What is conduction?

• The transfer of heat by the movement of a fluid

• An oval shape centered on two points instead of one

• The direct transfer of heat from one substance to another substance that it is touching

• The invisible line around which an object rotates or spins

Multiple Choice

What is convection?

• The transfer of heat by the movement of a fluid

• An oval shape centered on two points instead of one

• The direct transfer of heat from one substance to another substance that it is touching

• The invisible line around which an object rotates or spins

Multiple Choice

What do we mean by "greenhouse effect"?

• The transfer of heat by the movement of a fluid

• The bouncing back of a wave when it hits a surface through which it cannot pass

• Warming that results when solar radiation is trapped by the atmosphere

• The direct transfer of heat from one substance to another substance that it is touching

Multiple Choice

What do we mean by tilt in astronomy?

• It is another name for the Equator

• An oval shape centered on two points instead of one

• It is another name for the Prime Meridian

• 23.5 degrees, causes seasons