Solar System
This is the third planet from the sun
What is Earth?
This is the smallest planet in our solar system.
What is Mercury?
What causes a solar eclipse?
A. Earth's shadow on the Moon.
B. The Sun's shadow on the Earth
C. Earth's shadow on the Sun
D. The Moon's shadow on Earth
D. The Moon's shadow on earth.
About how much of the Solar System's mass is in the sun?
A. 85%. B. 99.8%. C. 68.5%
B. 99.8%
What is the name of the ring between Mars and Jupiter?
A. Solar System. B. Asteroid Belt
C. Kuiper Belt. D. Oort Cloud
B. Asteroid Belt
Which planet is known as the red planet?
Mars
The tilt of the Earth's axis is responsible for
A. night and day. B. the length of a year
C. the seasons D. solar eclipses
C. the seasons
Thecontinuous stream of particles from the sun is called the
A. Solar prominence. B. Solar Flare
C. Solar wind. D. Coronal Ejection
C. Solar Wind
What are the two things that effect the strength of gravity?
Mass of the objects and the distance between them.
What is the shape of earths revolution around the sun called?
Ellipse
This dwarf planet was once considered a regular planet.
What is Pluto?
Astronomers use these to study the stars.
A. Telescopes. B. Satellites
C. Space probes D. All of the above
D. All of the above
This protect the earth from the Sun's solar wind.
A Coronosphere. B. Photosphere
C. Magnetosphere. D. Atmosphere
C. Magnetosphere
Which planet has the strongest gravity?
Jupiter
The law of Gravity applies to
A. the solar system. B. stars and planets
C.. non-living objects. D. all physical bodies
D. All physical bodies
Which planet is bigger, Earth or Mars?
Earth
Which planet is hotter, Mercury or Venus?
Venus, because of the greenhouse effect of its atmosphere.
A black hole's escape velocity is greater than this.
What is the speed of light?
Mars probably does not have life now because it lacks a strong _____________.
A. Magnetosphere. B. Atmosphere
C. Photosphere. D. gravity field
A. Magnetosphere.
Which solar system object/structure is farthest from the sun?
A. Oort Cloud. B. Kuiper Belt
C. Pluto. D. Magnetosphere
A. Oort Cloud
Mercury is called "the swift planet" because of its
A. rotational period. B. axis tilt
C. high winds. D. orbital period
D. Orbital period
When can a solar eclipse occur?
A. anytime. B. during a new moon
C. during a full moon. D. during a half moon
B. during a new moon
A light year is __________________.
A. a measure of time. B. a measure of distance
C. the distance from the Earth to the Sun
D. a measurement of planetary distances.
B. a measure of distance
Which part of the earth gets the most radiation?
A. the equator. B. the oceans
C. the temperate zones. D. the poles
A. the equator
When the earth's axis is tilted directly towards the sun, that point is called the summer ____________.
Solstice