Earth in Space Review

What is the source of heat and light in our Solar System?

• the North star

• the sun

• the moon

• the Earth

We experience seasons on Earth because

• The Earth is tilted at 23.5 degrees causing the sun to heat Earth with direct rays in the summer and indirect rays in the winter.

• We are closer to the sun during warmer months and further from the sun in colder months.

• We rotate around the sun once per year.

• The Earth is tilted at 23.5 degrees.

What type of eclipse is shown?

• solar

• lunar

The model shown represents a ___________ eclipse.

• solar

• lunar

When the northern hemisphere is tilted away from the sun, it is

• Winter

• Fall

• Spring

• Summer

Different angles of the moon's lit surface as the moon revolves around Earth cause

• cycles

• eclipses

• moon phases

• tides

What is an Axis?

• An obscuring of the light from a celestial body by the passage of an object between the celestial body and the observer or between the celestial body and its source of illumination

• The imaginary line through Earth that extends from the North Pole to the South Pole and is the center of Earth’s rotation

• A phenomenon or process that involves multiple steps and repeats itself

What would seasons be like if Earth's axis were straight up and down and not tilted?

• Seasons would be the same.

• There would be no seasons

• Seasons would be more extreme

What is illuminating the Moon?

• nuclear fusion

• mirrors

• sunlight

• flooded lights

About how long does it take the moon to orbit the Earth?

• 29 days

• 1 day

• 15 days

• It doesn't