Flashcards
Study Guide 2-4
Flashcards do conjunto (17)
- 1How long does it take for the Moon to revolve around Earth?It takes 27.322 gays to revolve around the earth
- 2Why do stars appear to move in the sky?It looks like they are moving because the earth is moving so the stars look like it
- 3What fraction of the Earth’s size is the moon?About 1/4
- 4How long is the Earth’s orbit around the Sun?365 days long
- 5How long is the Earth’s rotation on its axis?24 hours
- 6Why does the Moon appear about the same size as the Sun?The sun is 400 times bigger and father away so it looks like the same size
- 7What direction does the Sun appear to rise and set?The Sun, the Moon, the planets, and the stars all rise in the east and set in the west. And that's because Earth spins -- toward the east
- 8How are shadows in the winter in the Northern Hemisphere different than those in the summer?Shadows in the winter are longer than the shadows in the summer.
- 9During which season does the Sun appear higher in the sky?Wniter
- 10During which seasons are shadows shorter?Summer because the sun is directly on the earth because it is higher in the summer so it makes the shadows shorter.
- 11What is an equinox?When both hemispheres get the same amount of energy from the sun. Night and day are equal lengths all over the world except the poles.
- 12When are the equinoxes occur?Midway between the solstices
- 13Why is the North Star important?It helps guide sailors when they are steering a boat
- 14What season is the Southern Hemisphere experiencing when we have summer in the Northern Hemisphere?They are in winter when we are in summer.
- 15During which season does the Sun appear to rise the latest and set earliest?Winter
- 16When the Earth is tilted toward the Sun, what season is being experienced in the Northern Hemisphere and Southern Hemisphere? Why?The northern hemisphere is in summer and the southern hemisphere is in winter
- 17What are two reasons that the Sun-Earth system creates seasons?When orbiting around the sun. The sun changes length away from the earth
Informações
- Descrição
- 7th grade Science FlashCards sobre Study Guide 2-4, criado por Domanire Trapp em 28-02-2020.
- Criado por
- Domanire Trapp
- Visualizações
- 1
- Tags
- Avaliação