Science 4.9A & 4.9B

What is a Crescent Moon?

• A phase of the Moon when it is fully illuminated.

• A phase of the Moon when only a small part of it is illuminated, appearing as a thin sliver.

• A phase of the Moon that occurs during a solar eclipse.

• A phase of the Moon when it appears as a complete circle.

What is a Waning Gibbous Moon?

• A phase of the Moon when more than half of it is illuminated but is decreasing in light.

• A phase of the Moon when it is completely dark and not visible.

• A phase of the Moon when it is fully illuminated and bright.

• A phase of the Moon when less than half of it is illuminated and increasing in light.

What is the significance of the Moon's gravitational pull?

• It causes solar eclipses to occur.

• It affects the Earth's tides, causing them to rise and fall.

• It influences the Earth's rotation speed.

• It has no significant effect on Earth.

How long does it take for the Moon to orbit the Earth?

• About 1 week

• About 1 month

• About 1 year

• About 2 months

What is a Waxing Gibbous Moon?

• A phase of the Moon when less than half of it is illuminated and is decreasing in light.

• A phase of the Moon when more than half of it is illuminated and is increasing in light.

• A phase of the Moon when it is completely dark and not visible.

• A phase of the Moon when it is fully illuminated and remains constant.

What is the Southern Hemisphere's season when the North Pole is tilted toward the Sun?

• Summer

• Winter

• Autumn

• Spring

What is a First Quarter Moon?

• A phase of the Moon when it is completely dark.

• A phase of the Moon when it is fully illuminated.

• A phase of the Moon when half of it is illuminated and is increasing in light.

• A phase of the Moon that occurs just before a solar eclipse.

What is the Earth’s rotation?

• The Earth’s rotation is the spinning of the Earth on its axis, which takes about 24 hours and causes day and night.

• The Earth’s rotation is the movement of the Earth around the Sun, which takes about 365 days.

• The Earth’s rotation is the process of the Earth moving through space without spinning.

• The Earth’s rotation is the change in the Earth's position due to gravitational pull from the Moon.

What is the Earth’s revolution?

• The Earth’s revolution is the movement of the Earth around the Sun, which takes about 1 year.

• The Earth’s revolution is the rotation of the Earth on its axis, which takes about 24 hours.

• The Earth’s revolution is the process of the Earth moving away from the Sun over time.

• The Earth’s revolution is the change of seasons caused by the tilt of the Earth.

What causes the seasons on Earth?

• The distance of the Earth from the Sun.

• The tilt of the Earth's axis and its orbit around the Sun.

• The rotation of the Earth on its axis.

• The gravitational pull of the Moon.