What is the invisible line that passes through the North Pole and South Pole of Earth called?

• The Equator

• The Orbit

• The Axis

• The Meridian

What causes day and night on Earth?

• The Earth revolving around the Sun

• The Moon moving around the Earth

• The Earth spinning on its axis

• The Sun moving across the sky

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

• One day

• One month

• One year

• One hour

What causes the different seasons on Earth?

• The Earth's distance from the Sun changing throughout the year

• The Earth's axis being tilted as it revolves around the Sun

• The Moon's phases changing the amount of sunlight

• The Sun moving closer and farther from Earth

In the experiment shown, what does the lamp represent?

• The Moon

• A star

• The Earth

• The Sun