Which conditions on Earth support the biosphere?

Liquid water, oxygen/carbon dioxide in atmosphere

What happens when an atom undergoes radioactive decay?

The energy or matter in an atomic nucleus is reduced

What is a light year?

How far light travels in a year

How did the gas planets get their gases?

They were boiled away from rocky planets, They were blown away from rocky planets

What evidence supports the nebular theory of solar system formation?

Observation of dying stars & the gas/dust clouds around them

How did Earth get an atmosphere?

It was later released through outgassing

What is an Astronomical Unit?

The distance from the Earth to the sun

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Solar System

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A Quiz review to help students study about the solar system.

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Questions 20

Answers

1
How is the age of the solar system estimated by scientists?
Measuring expansion of stars
Sequencing rock layers
Comparing fossil types
Dating radioactive elements
2
Which conditions on Earth support the biosphere?
Liquid water, oxygen/carbon dioxide in atmosphere
365 day year, 24 hour day
Molten core, semi-solid mantle layer
Rotation at the equator, silica rich crust
3
What do Earth's atmosphere and the distance from the sun combine to create?
Moderate temperatures
An oxygen rich atmosphere
Magnetic north pole
Moving continents
4
What is Copernicus's model of the solar system?
Eccentric
Heliocentric
Lunocentric
Geocentric
5
Which solar system object is the largest?
Pluto
Earth
The sun
Jupiter
6
What happens when an atom undergoes radioactive decay?
Two atomic nuclei fuse to form a new atomic structure
Radioactive energy is added into an atomic nucleus
The energy or matter in an atomic nucleus is reduced
The atoms break away from the molecules they are part of
7
Which of the following would change as you travel through our solar system to different places?
Weight
The number of planets
Solar Output
Mass
8
What is a light year?
The speed that light travels
A toy from Toy Story
How far light travels in a year
The distance between the Earth and the sun
9
How was Earth's moon formed?
A piece of Earth broke off
An asteroid started orbiting it
A planetesimal smashed into it
Cheese was thrown into space
10
How did the gas planets get their gases?
They ate school lunch
They were boiled away from rocky planets
Comets brought the gas there
They were blown away from rocky planets
11
How large an area is needed to create a solar system model with a sun the size of a marble?
A city
A state
A classroom
A playing field
12
What is Ptolemy's model of the solar system?
Geocentric
Eccentric
Lunocentric
Heliocentric
13
What is the shape of the orbits of our planets?
Elliptical
Orbital
Trapezoidal
Circular
14
What evidence supports the nebular theory of solar system formation?
Recent formation of new planets inside our solar system.
Measurements of the speed and brightness of distant stars
Observation of dying stars & the gas/dust clouds around them
Geologic evidence from the outer planets, Jupiter & Neptune
15
Which of the following is NOT one of the 3 things necessary for life?
Liquid water
Atmosphere of oxygen
Moderate temperatures
A source of energy
16
How did Earth get an atmosphere?
It was the leftover from nebula formation
It was later released through outgassing
It was present during formation
Asteroids brought it during collisions
17
How did water get on Earth?
Asteroids
Volcanoes
Comets
Rain
18
Which of the following is not one of the gas planets?
Jupiter
Neptune
Pluto
Saturn
19
What is an Astronomical Unit?
The distance from the Earth to the sun
The distance from Mercury to the sun
How tall an astronaut is
The distance light travels in a year
20
Which of the following is not one of the rocky planets?
Venus
Jupiter
Earth
Mars

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