PSSA Prep #2 - Earth Science

Which change is a negative impact of using nitrogen-based fertilizers? S8D122

• an increase in biomass

• an increase in water pollution

• a decrease in the size of the ozone layer

• a decrease in emissions of greenhouse gases

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which statement best describes a negative impact of using biofuels rather than fossil fuels? S8D121

• biofuels may cost less during distribution

• biofuels may reduce the amount of food available

• biofuels require less processing during the transformation from plants to fuels

• biofuels may reduce the amount of greenhouse gases released into the atmosphere?

Tags

NGSS.MS-LS2-5

Natural gas deposits are found in many areas throughout Pennsylvania. What can scientists most likely conclude about the geologic history of these areas? S8D114

• the area was once covered by a desert

• the areas was once covered by an ocean

• the area was covered with volcanic ash at one point

• the area was located between tectonic plate boundaries

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-ESS3-1

A landslide destroys a large area of vegetation in a forested area. Which change would most likely occur soon after the landslide? S8D112

• increased soil erosion

• increased rock formation

• decreased rainfall

• decreased air temperature

Tags

NGSS.MS-ESS2-2

Which type of rock typically forms new land in oceans when lava cools? S8D111

• shale

• marble

• obsidian

• limestone

Earth takes a complete day to rotate once on its axis. Approximately what portion of one Earth rotation does an hour represent? S8_A_2_1_1

• 1/12 of a rotation

• 1/24 of a rotation

• 1/30 of a rotation

• 1/365 of a rotation

Tags

NGSS.MS-ESS1-1

A student wants to design a scientific investigation to determine the brand of paper towels that absorbs the greatest amount of water. Which question is most appropriate for this investigation? S8_A_2_1_2

• Which brand of paper towels is the strongest?

• Which brand of paper towels absorbs water?

• Will one sheet of brand A or one sheet of brand B absorb more water in 30 seconds?

• Will 400 cm2 of brand B absorb more water than 400 cm2 of brand A in the same amount of time?

Tags

NGSS.MS-ETS1-3

A ten-story building has identical stairs throughout its stairways. A student calculates the amount of work required to climb one set of stairs and the amount of work to climb the entire ten sets. Which quantity will remain constant in this experiment? S8_A_2_1_3

• time to climb the stairs climbed

• number of stairs

• force required to climb each stair

• work required to climb all of the stairs

Which tool should a student use to accurately determine the distance around the outer edge

of a marble? S8_A_2_2_1

• a wooden ruler

• a metal balance

• a cloth tape measure

• a glass graduated cylinder

Which animal should be studied to develop technology that may allow humans to hear lower

frequencies? S8_A_2_1_4

• dog

• mouse

• dolphin

• elephant

Tags

NGSS.MS-PS4-1