7th Grade Science Final Exam (2nd Semester)

Why does Earth have different seasons? 

• because of the distance between Earth and the sun 
• because of the speed of Earth as it rotates on its axis 
• because of the amount of light blocked by the moon on its axis 
• because of the tilt of Earth on its axis as it moves around the sun 

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NGSS.MS-ESS1-1

The higher the latitude, the

• Higher the temperature
• Lower the temperature
• More direct sunlight
• Higher the solar angle
  

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NGSS.MS-ESS2-6

Why is it warmer in the summer?

• Closer to the sun
• More direct light from Earth's tilt
• Stronger light from the sun
• Earth spins slower

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NGSS.MS-ESS1-1

The Northern Hemisphere gets __________ sunlight in the winter, which leads to _________ temperatures.

• less direct, hotter
• less direct, colder
• more direct, hotter
• more direct, colder

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Why does the area around the equator stay the same temperature all year?

• The equator rotates slower than the poles.
• The equator remains the same distance from the sun.
• The equator always receives direct sunlight.
• The equator has 18 hour days.

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NGSS.MS-ESS2-6

What happens when the area in which you live tilts away from the sun?

• It is summer.
• It is spring.
• It is winter.
• It is fall.

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NGSS.MS-ESS1-1

The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.

• Convection
• Conduction
• Radiation
• insulation.

Which situation best represents conduction?

• Heat from a campfire
• A hot air balloon taking off
• Touching a hot piece of metal
• Getting sunburned

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NGSS.MS-PS3-3

The reason why water boils causing the circular motion is due to?

• conduction

• radiation

• convection

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to the kinetic energy of molecules as they gain thermal energy?

• Molecules slow downThis is a wrong answer Molecules will move closer together

• Molecules will move closer together

• Molecules remain the same

• Molecules speed up

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NGSS.MS-PS1-4