Middle School

The appearance of the moon changes in a predictable pattern that lasts approximately 28 days. The changes in appearance are called phases of the moon. What is the main cause of moon phases?

• The distance between the Earth and the moon.

• The tilt of Earth on its axis compared to the tilt of the moon on its axis.

• The amount of sunlight the moon’s surface is exposed to.

• The position of the moon in relationship to the Earth and Sun.

Tags

NGSS.MS-ESS1-1

Which of these changes would likely occur if the rate of Earth’s rotation on its axis increased?

• The length of the seasons would be shorter.

• The length of the seasons would be longer.

• The length of a day would be shorter.

• The length of a day would be longer.

When the Northern Hemisphere is tilted away from the Sun —

• the South Pole is pointing directly at the Sun.

• it is summer in the Southern Hemisphere.

• it is night in the Northern Hemisphere.

• the Sun's rays do not strike the Northern Hemisphere.

Tags

NGSS.MS-ESS1-1

According to the diagram, which of these types of stars is the brightest?

• hot white dwarf

• hot main sequence star

• cool super giant

• cool giant

Tags

NGSS.HS-ESS1-3

Which of the following best shows the ways that energy from the Sun and the force of gravity affect the cycling of water?

• 
• 
• 
• 

Tags

NGSS.MS-ESS2-4

Which of the following best describes the ecological relationships of the organisms in the food web?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

At which 2 locations is it summer?

• W and X

• W and Y

• X and Z

• Y and Z

Tags

NGSS.MS-ESS1-1

A student is investigating the process that changes steel into rust. According to the table, which of the beakers from Investigation 1 does not show evidence of a chemical change?

• Beaker X

• Beaker Y

• Beaker Z

Tags

NGSS.MS-PS1-2

Which of the following describes what primarily causes the ocean tides in Massachusetts?

• Convection from plate tectonics

• Gravity from the Moon and the Sun

• Convection from Earth's north and south poles

• Magnetism from Earth's north and south poles

Tags

NGSS.MS-ESS1-1

NGSS.MS-PS2-4

Which part of the diagram represents the foundation of the building?

• W

• X

• Y

• Z