Unit 4 Lessons 3 & 4

Front

How long does complete rotation of the Earth take?

Back

24 hours; one complete day

Front

What causes day and night?

Back

the Earth's rotation

Front

When is the sun at its highest point?

Back

midday-the sun is directly overhead

Front

When would a shadow of a tree be longest?

Back

in the winter

Front

What is a sundial?

Back

a tool that uses the shadow cast by an object in sunlight to keep track of time during the day.

Front

If you are in the Northern Hemisphere, what does your shadow look like?

Back

The sun will seem to be slightly to the south. Since shadows always point away from the sun, your shadow will point north.

Front

If you are in the Southern Hemisphere, what does your shadow look like?

Back

The sun will seem to be slightly to the north, so your shadow will point south.

Front

What season has the most hours of daylight?

Back

summer

Front

What season has the fewest hours of daylight?

Back

winter

Front

The sun rises in the __________________, and sets in the ___________________________.

Back

east, west