Astronomy Pre-Test

Front

What causes the Sun to appear to move across the sky each day?

Back

The Earth rotates on its axis.

Front

How does the tilt of the Earth affect the length of daylight during different seasons?

Back

Daylight is longer in summer and shorter in winter.

Front

What causes the different phases of the Moon as observed from Earth?

Back

The relative positions of the Earth, Moon, and Sun.

Front

Where is the solar system located within the Milky Way galaxy?

Back

In one of the spiral arms.

Front

What role does inertia play in the motion of planets in the solar system?

Back

It keeps planets moving in a straight line.

Front

What is the definition of a galaxy?

Back

A galaxy is a massive system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object around its own axis, while revolution is the movement of an object around another object.

Front

What is the significance of the Earth's axial tilt?

Back

The Earth's axial tilt is responsible for the changing seasons as it affects the angle and duration of sunlight received.

Front

What is a solar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking all or part of the Sun's light.

Front

What is a lunar eclipse?

Back

A lunar eclipse occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to fall on the Moon.