8th grade review

• 4N 
• 6N 
• 10 N 
• 14 N 

Tags

NGSS.MS-PS2-2

• 0.2 m/s 
• 0.5 m/s
• 5.0 m/s 
• 10.0 m/s 

Tags

NGSS.MS-PS3-1

• The toy train speeds up while going forward and then slows down. 
• The toy train slows down while going forward and then moves backward. 
• The toy train moves forward at a constant speed, slows down, and then stops. 
• The toy train moves forward at an increasing speed, stops, and then moves forward. 

Tags

NGSS.MS-PS3-1

• The activities prevent most of the water from evaporating into the atmosphere. 
• Pollutants from the activities percolate through the soil and enter the water table. 
• The activities replace the groundwater used. 
• All of the above 

Tags

NGSS.MS-ESS3-4

• The functions of living things occur in cells. 
• Cells exist only in multicellular organisms. 
• Living things are composed of cells. 
• Cells contain hereditary information. 

Tags

NGSS.MS-LS1-1

• Position 1, because North America receives the most direct sun 
• Position 2, because North America is tilted toward the sun 
•  Position 3, because North America is parallel to the sun
• Position 4, because North America is tilted away from the sun 

Tags

NGSS.MS-ESS1-1

The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest? 

• Planets, stars, galaxies, nebulae 
• Nebulae, stars, planets, galaxies 
• Galaxies, stars, planets, nebulae
• Planets, stars, nebulae, galaxies

Which statement about stars is correct?

• Star formation begins in a nebula.

• White dwarfs become main-sequence stars when they gain mass.

• Supergiants are stars that can absorb black holes.

• Main-sequence stars are formed by comets.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Based on their observations, can the students correctly conclude that a chemical reaction occurred?

• No, because the metal strip was still visible

• Yes, because a new material of a different color formed on part of the metal strip

• No, because the solution stayed blue

• Yes, because the volume of the blue solution stayed the same

Tags

NGSS.MS-PS1-2

Why does autumn start in different months of the year in North America and South America?

• Earth’s orbit around the sun is not a perfect circle.

• North America has a larger landmass than South America.

• The moon has a greater pull on South America than on North America.

• Earth’s axis has a 23.5° tilt.

Tags

NGSS.MS-ESS1-1