Why is There Day and Night?

Earth’s axis is an imaginary line that

• goes around the equator.

• traces Earth’s path through space.

• goes from the North Pole to the South Pole.

• extends from Earth to the sun.

Tags

NGSS.MS-ESS2-6

The sun rises in the _______.

• east

• north

• south

• west

Tags

NGSS.MS-ESS1-1

What causes day and night?

• Earth moves closer to and farther away from the sun.

• Earth rotates on its axis.

• The sun's light gets brighter and darker in a pattern.

• The moon moves into and out of the sun's light.

Tags

NGSS.MS-ESS1-1

Why is the world divided into time zones?

• Different places on Earth experience different seasons.

• The time the sun is at its peak differs from place to place.

• Earth stops rotating on its axis at different times of the day.

• Earth is at different points of its orbit around the sun during the year.

Tags

NGSS.MS-ESS2-6

Which season has the fewest hours of daylight?

• fall

• spring

• winter

• summer

Tags

NGSS.MS-ESS1-1

Describe how the length of daytime changes from January to the start of summer.

• The days gets longer and the nights gets shorter.

• The days get shorter and the nights get longer.

• The days get longer and the nights get longer.

• The days stay the same length every day.

Tags

NGSS.MS-ESS1-1

Amelia sits outside during lunch time and sees the sun directly overhead. The following day, she sees the sun in the exact same place in the sky. Which of the following claims explains why Amelia sees the sun in the same place in the sky at the same time on different days?

• Earth rotates on its axis once every 12 hours.

• Earth rotates on its axis once every 24 hours.

• The sun makes a full revolution around Earth once every 24 hours.

• Earth makes a full revolution around the sun once every 12 hours.

Tags

NGSS.MS-ESS1-1

Jamie wants to model the way Earth rotates on its axis. He asks his friend Maya to help. Jamie asks Maya to represent Earth in his model, while he represents the sun. What should Jaime and Maya do in order to model the sun and Earth’s rotation?

• Jamie should walk in a circle around Maya.

• Jamie and Maya should move in a circle at the same pace.

• Jamie should turn in a slow circle while Maya stands still.

• Jaime should stand still while Maya turns in a slow circle.

Tags

NGSS.MS-ESS1-1

Byron is drawing a model of Earth and the sun, as shown here. He wants to model day and night, as well as Earth’s rotation on its axis. Which of the following models Earth’s and the sun’s position after 12 hours?

• Model A

• Model B

• Model C

• Model D

Tags

NGSS.MS-ESS1-1

Gricelda’s family is installing solar panels on their roof. Solar panels use energy from the sun to create electricity. Gricelda’s father is curious about what time of year they can expect to get the most electricity out of their solar panels. Gricelda shows him the chart below. Which of the following months can Gricelda and her father expect to see the most electricity from their solar panels?

• January, February, March

• September, October, November

• April, May, June

• May, June, July

Tags

NGSS.MS-ESS2-6