Astronomy

The system of 8 planets is called the SOLAR system because...

• each of them has a sun.
• the sun heats them all.
• they all orbit our sun.
• the sun is the biggest planet.

Name all the inner planets in order:

• Mars, Venus, Earth, Mercury
• Mercury, Venus, Earth
• Mercury, Venus, Earth, Jupiter
• Mercury, Venus, Earth and Mars

Which planet is one of the four outer planets?

• Earth
• Saturn
• Pluto
• Mercury

The largest planet in our solar system is...

• Uranus
• Jupiter
• Neptune
• Mercury

If Earth was the size of an apple, then the moon would be the size of a...

• blueberry
• watermelon
• orange
• cantaloupe

The inner and outer planets are separated by...

• a wall
• the asteroid belt
• Earth's moon
• Pluto

A quantitative observation includes...

• physical characteristics.
• unknown variables.
• numerical data.
• predictions.

Seasons are caused by the tilt of Earth's axis and Earth's...

• revolution.
• rotation.
• weather.
• speed.

Seasons in the northern and southern hemispheres are

• the same.
• opposite.
• always winter.
• changing.

Earth's rotation causes

• day and night.
• seasons.
• gravity.
• our solar system.