Gravity in Space Review

Front

What does waxing mean?

Back

Waxing means growing, especially in reference to the phases of the moon.

Front

What model of the solar system states that the sun is at the center?

Back

The Heliocentric model states that the sun is at the center of the solar system.

Front

What event occurs when the Moon passes through Earth’s shadow?

Back

An eclipse occurs when the Moon passes through Earth’s shadow.

Front

Why are the inner planets called terrestrial planets?

Back

The inner planets are called terrestrial planets because they are composed of rocks.

Front

What is the phase of the moon where none of the moon's nearside is sunlit?

Back

The new moon is the phase where none of the moon's nearside is sunlit.

Front

What is gravity?

Back

Gravity is the force that attracts two bodies towards each other, such as the Earth and the Moon.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the Moon blocks the Sun, while a lunar eclipse occurs when the Earth blocks sunlight from reaching the Moon.

Front

What are the four terrestrial planets in our solar system?

Back

The four terrestrial planets are Mercury, Venus, Earth, and Mars.

Front

What is the significance of the Heliocentric model?

Back

The Heliocentric model was significant because it changed the understanding of the solar system, placing the Sun at the center instead of the Earth.

Front

What causes the phases of the Moon?

Back

The phases of the Moon are caused by the changing positions of the Moon, Earth, and Sun.