EOG Review

After a chemical reaction occurs in an open test tube, measurements indicate that the mass of the reactants is greater than the mass of the products remaining in the test tube.  What MOST LIKELY explains the measurements?

• A gas was produced.
• A solid was produced.
• The salinity of the reactants was high.
• The temperature of the reactants was low.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A layer of marine fossils is discovered in a desert environment. Which hypothesis BEST explains the discovery?

• The area was once covered by water.
• Volcanic activity once occurred in the area.
• A catastrophic event once occurred in the area.
• Erosion turned most of the limestone in the area into sand.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

How are parasites and viruses similar?

• Both are contagious diseases.
• Both infect host organisms.
• Both reproduce using host cells.
• Both break down food using oxygen.

Which statement BEST explains the reason some insects can walk across the surface of a lake?

• Water is a polar molecule, and its adhesiveness causes good capillary action.
• Water is a non-polar molecule, and its cohesiveness causes good capillary action.
• Water is a non-polar molecule, and its adhesiveness provides high surface tension.
• Water is a polar molecule, and its adhesiveness causes high surface tension.

Where is the majority of Earth's freshwater located?

• clouds
• Pacific Ocean
• polar ice caps
• rivers

Tags

NGSS.MS-ESS2-4

Which is an example of a physical change?

• boiling
• burning
• rotting
• rusting

A scientist has a hypothesis that a large volcanic eruption caused a change in global temperature. Which information gained from ice cores is MOST useful in supporting the scientist's hypothesis?

• levels of dissolved oxygen
• identities of trace metals
• estimates of natural radioactivity
• amounts of atmospheric dust

Tags

NGSS.MS-ESS2-2

Which project is MOST LIKELY to interest a scientist working at a biotechnology company?

• study and reconstruction of fossilized bones
• conservation of key species within ecosystems
• development of genetically modified corn plants
• prevention of sewage leaking into water supplies

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-5

Which pure substance is composed of more than one element?

• water
• carbon
• gold
• sodium

Tags

NGSS.MS-PS1-1

Which contributes most in supporting life on the deep ocean floor?

• cold water temperatures
• extreme water pressure
• hydrothermal vents
• lack of predators

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4