Unit 1 Our Solar System

Which are the inner planets?

• Earth, Jupitar, Mars, Neptune

• Mercury, Venus, Earth, Mars

• Saturn, Uranus, Mars, Mercury

The closest planet to the sun is...

• Venus

• Neptune

• Mercury

• Mars

Earth _________________ around the Sun.

• Rotates

• Revolves

• Dances

An object spinning.

• Rotate

• Revolve

• Orbit

• Tilt

The imaginary line between the North Pole and the South Pole.

• Equator

• Primer Meridian

• Axis

• Longitude

The longest day of the year in the Northern Hemisphere.

• Winter Solstice

• Summer Solstice

• Autumn Equinox

• Spring Equinox

What are the 2 reasons for seasons on Earth?

• Equator and Prime Meridian

• Equator and Earth's tilt

• Earth's tilt and its revolution around the sun

• Earth's revolution around the sun and the moon

What makes the surface of the Earth hotter?

• When the sun's rays are at 90 degrees.

• When the sun's rays are at sharper angles than 90 degrees.

Which planet is the largest in our solar system?

• Earth

• Mars

• Jupiter

• Saturn

Our solar system is....

• smaller than the Universe.

• bigger than the Milky Way Galaxy.

• bigger than the Universe.