Science PSSA Prep #4

Fats are important nutrients because they

• provide genetic information

• contain stored energy

• are used in photosynthesis

• maintain bone density

Tags

NGSS.MS-LS1-7

Which factor contributes to global warming?

• increased use of solar-powered cars

• increased burning of fossil fuels

• better long-term weather forecasts

• changing distance between Earth and the Sun

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Oceans, glaciers, lakes, and rivers are part of Earth's

• atmosphere

• hemisphere

• hydrosphere

• lithosphere

Tags

NGSS.MS-ESS2-4

• A

• B

• C

• D

Tags

NGSS.MS-ESS2-4

• 20

• 40

• 60

• 80

Tags

NGSS.MS-PS1-2

• is converted to solar energy

• reduces the friction in the hair dryer

• is recycled

• is transformed

Tags

NGSS.MS-PS3-3

• Chemicals applied by farmers lower the level of pollution in drinking water.

• Drinking water can become polluted from unsuspected sources.

• Human activities do not affect groundwater.

• Toxic waste is safe if buried below the level of the basements of nearby homes

Tags

NGSS.MS-PS1-3

• nuclear and natural gas

• hydropower and oil

• oil and coal

• natural gas and coal

Tags

NGSS.MS-PS3-4

Which sequence of energy transformations occur after a battery-opertated flashlight is turned on?

• electrical-light-chemical

• electrical-chemical-light

• chemical-light-electrical

• chemical-electrical-light

The gravitational force between two objects depends on the distance between the objects and each object's

• mass

• volume

• pressure

• temperature

Tags

NGSS.MS-PS2-4