Science Super Quiz

How often does Earth spin 360° to create the cycle of day and night?

• Every 12 hours

• Every 24 hours

• Every 48 hours

• Once a week

What is the most obvious diurnal change due to the Earth's rotation?

• Change in wind patterns

• Change in atmospheric pressure

• Change in temperature

• Change in humidity

When are the highest temperatures typically reached during the day?

• Just after sunrise

• Mid-afternoon

• Sunset

• Midnight

Why is the night coldest just before dawn?

• Because the Sun heats the Earth directly at that time

• Because the ground retains its warmth throughout the night

• Because the ground lets go of its warmth gradually

• Because of increased cloud cover

What do scientists call the curving path that the Sun appears to take through the sky each day?

• The solar arc

• The day arc

• The sunlight curve

• The celestial path

According to the text, how does the Sun's power vary throughout the day?

• It is strongest at noon and weakest at sunset.

• It remains constant throughout the day.

• It is weakest in the early morning and at sunset, and strongest at midday.

• It is strongest in the early morning and gradually weakens as the day progresses.

What is the reason for the Sun's power changing throughout the day?

• The distance between the Sun and the Earth changes.

• The angle at which the Sun's rays hit the ground changes.

• The Sun moves closer and farther from the Earth.

• The Earth's atmosphere absorbs more sunlight at certain times.

How does the Sun seem to move through the sky as observed from Earth?

• It moves in a straight line from east to west.

• It remains stationary while the Earth moves.

• It spins like a top around the Earth.

• It arcs higher through the morning, swings around to the south or north, and then lowers towards sunset.

Why is the sky blue?

• Because the sky reflects the color of the ocean

• Because blue light has shorter waves and is scattered in all directions

• Because the atmosphere only allows blue light to pass through

• Because the Sun is actually blue

What causes the sky to often turn red or orange at sunset and sunrise?

• Because the Sun changes color during sunset and sunrise

• Because the sky reflects the colors of the clouds

• Because red and yellow light waves are longer and the only colors that reach our eyes

• Because the moon reflects red and orange light during these times