Intro to the Solar System

Intro to the Solar System

Multiple Choice

A ______ is an object that orbits the sun, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit.

• solar system

• planet

• moon

• asteroid

Multiple Choice

A _________ is a body that orbits a planet.

• planet

• asteroid

• meteor

• satellite

Fill in the Blank

What is Earth's only natural satellite?

Poll

There are 10 X more stars in the universe than there are grains of sand on all the beaches on Earth.

• True

• False

Fill in the Blank

A ____ is a giant ball of hot gas, mainly composed of hydrogen and helium.

Multiple Choice

What is a streak of light produced when a small object burns up entering Earth’s atmosphere.

• comet

• meteor

• asteroid

• star

Multiple Choice

A _____ is a cold mixture of dust and ice that gives up a long trail of light as it approaches the sun.

• comet

• cupid

• donner

• meteor

Multiple Choice

A pattern or group of stars that people imagined to represent a figure, animal, or object is called a

• meteor

• universe

• patronus

• constellation

Multiple Choice

The imaginary line that passes through Earth’s center and the North and South poles are Earth’s ____.

• revolution

• axis

• pole

• rotation

Multiple Choice

The spinning of Earth on its axis is called __________.

• pole

• axis

• revolution

• rotation

Multiple Choice

__________ is the movement of one object around another.

• poles

• axis

• rotation

• revolution

Multiple Choice

Earth’s path, or orbit, is a slightly elongated circle, or _______.

• triangle

• square

• ellipse

• rotation

Multiple Choice

a system of organizing time that defines the beginning, length, and divisions of a year is a ________.

• calendar

• star chart

• clock

• map

Multiple Choice

What type of calendar do we currently use?

• Egyptian

• Roman

• Gregorian

Multiple Choice

Earth has _______ because its axis is tilted as it revolves around the sun.

• gravity

• years

• days

• seasons

Fill in the Blank

Earth’s axis is always tilted at an angle of ____ from the vertical.

Multiple Choice

When the sun appears farthest north once each year and farthest south once each year it is called a(n) ________.

• solstice

• equinox

• year

• season

Multiple Choice

During a(n) ________, day and night are each about 12 hours long everywhere.

• solstice

• equinox

• year

• season

Fill in the Blank

_______ and gravity combine to keep Earth in orbit around the sun and the moon in orbit around Earth,

Fill in the Blank

_______ and gravity combine to keep Earth in orbit around the sun and the moon in orbit around Earth,