7th Grade M-STEP Science Review #7

What season does South America experience when the South Pole tilts towards the Sun?

• Fall 
• Spring
• Winter
• Summer

Why does the Earth experience seasons?

• The sun gets hotter in the spring and summer.
• The Earth receives less sun in the fall and winter.
• The tilt of the Earth toward and away from the sun.
• The distance between the Sun and the Earth changes.

Which word best describes the path of the earth’s orbit around the sun?

• Circular
• Eclipse
• Elliptical
• Rotation

Why does the Earth experience seasons?

• The tilt of the Earth on its axis.
• The Sun gets hotter in the Spring and Summer.
• The Earth receives less sun in the Fall and Winter.   
• The distance between the Sun and the Earth changes.

How do we define the length of a year?

• One rotation around a planet.
• One revolution around the sun.
• One rotation on the planets axis.
• One revolution around a moon.

What happens during a leap year?

• The number of days in a year is larger 
• The number of minutes in a day is more
• The number of hours of daylight is greater
• The number of months for the Earth’s orbit is longer 

What unit of time is equal to one revolution of the Earth around the Sun?

• An hour
• A day
• A month
• A year

How long does it take for the Earth to complete one revolution around the sun?

• 24 hours
• 30 days
• 365 days

The Earth takes 365.25 days to orbit the Sun.  Which of the following is a consequence of this fact?

• An extra day every four years.
• February has 28 days instead of 30.
• The calendar has 365 days every year.
• An extra week is added every four years.

What are celestial objects called that contain ice and dust and develop a tail?

• Comets
• Asteroids
• Plutoids
• Dwarf Planet