Science Unit 1 Review

The sun appears to be the brightest star in the sky because

• it actually is the brightest star in the universe

• other stars are closer to Earth.

• it is the closest star to Earth.

• it is bigger than Earth.

Why does Sirius appear less bright than the Sun?

• It is farther from Earth than the sun.

• It is closer to Earth than the sun.

• Sirius and the sun are the same distance to Earth.

The sun appears to rise in the east and set in the west. This occurs because Earth

• orbits around the sun.

• has day and night.

• rotates on its axis.

• tilts toward the North pole.

Tags

NGSS.MS-ESS1-1

True or false: Shadows are always longer in the morning and evening than in the middle of the day.

• True

• False

Tags

NGSS.MS-ESS1-1

True or false: The sun is at its highest point near the middle of the day.

• True

• False

Tags

NGSS.5-ESS1-2

True or false: Shadows are sometimes longer in the morning and evening than in the middle of the day.

• True

• False

Tags

NGSS.5-ESS1-2

True or false: The sun is lower in the sky in the morning and evening than in the middle of the day.

• True

• False

Tags

NGSS.MS-ESS1-1

How many hours of daylight are there on April 1?

• 9

• 12

• 13

• 15

How many hours of daylight are there on January 1?

• 9

• 12

• 13

• 15

Tags

NGSS.MS-ESS1-1

How many hours of daylight are there on October 1?

• 9

• 12

• 13

• 15

Tags

NGSS.MS-ESS1-1