1. The two factors that cause seasons on Earth are ​the Earth's (a)   and Earth's ​ (b)   .

• revolution
• tilt
• distance from the sun
• moon phases
• ocean currents

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NGSS.MS-ESS1-1

Part A:

Which season comes after spring?

• summer
• monsoon
• winter
• autumn

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NGSS.MS-ESS1-1

Part B

Which month does summer begin in?

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NGSS.MS-ESS1-1

Analyze the temperature data provided for each season: Identify the pattern in the temperature changes across the seasons. Spring: 20°C Summer: 30°C Fall: 15°C Winter: 5°C

At the start of the year, the temperature is ​ (a)   . As the year progresses, 

the temperature ​ (b)   . The temperature peaks in the 

​ (c)   and then decreases in the winter.

• low
• high
• increases
• decreaseses
• summer
• winter

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Look at the daylight hours chart below and describe the pattern you observe. How do daylight hours change with the seasons?

Groups:

(a) Increase in daylight hours.

,

(b) Decrease in daylight hours.

,

(c) Fewest daylight hours

• Winter

• Summer

• Fall

• Spring

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NGSS.MS-ESS1-1

Why do the temperature graphs for Austin, Texas, and Sydney, Australia, look so different?

• Austin has a higher altitude than Sydney.

• Sydney is closer to the equator than Austin.

• The Northern and Southern Hemispheres experience opposite seasons at the same time of year.

• The climate in Austin is more humid than in Sydney.

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NGSS.MS-ESS2-6