EOC Science

Which is the best example of a pure substance?

• peanuts

• milk

• gold

• air

Tags

NGSS.MS-PS1-4

Which best explains why the total mass of the product(s) would be less than the total weight of the reactant(s) after a chemical reaction?

• A physical change occurred.

• Atoms involved in the reaction lost mass.

• Precipitates were created in the new solution.

• Gases were released to the atmosphere.

Tags

NGSS.MS-PS1-5

Which is an example of a renewable energy resource?

• biomass

• coal

• gas

• oil

Which best determines the health of a lake used as a source of freshwater?

• its depth and width

• its temperature and pH

• its location and depth

• its temperature and depth

Tags

NGSS.MS-LS1-5

A scientist finds the bones of a dinosaur. What could help the scientist determine the approximate age of the dinosaur bones?

• the birds living in the area of the bones

• the weather conditions in the area of the bones

• the kinds of trees living in the area of the bones

• the index fossils in the area of the bones

• 5 grams

• 15 grams

• 10 grams

• 50 grams

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What characteristic of aluminum allows it to be made into aluminum foil?

• It is dense.

• It is soluble.

• It is magnetic.

• It is malleable.

Which is an example of a physical change?

• boiling

• burning

• rotting

• rusting

Tags

NGSS.MS-PS1-4

Where is the majority of Earth's freshwater located?

• clouds

• Pacific Ocean

• polar ice caps

• rivers

Tags

NGSS.MS-ESS2-4

Which example BEST represents an interconnection between an aquatic food web and a terrestrial food web?

• Fish eat insects that land on the surface of a pond.

• Snakes eat bird eggs.

• Bats eat mosquitos.

• Mountain lions catch and eat deer.

Tags

NGSS.MS-LS2-2