Science EOC

Newton's Third Law States:

• F=ma

• An object in motion will stay in motion and an object at rest will stay at rest unless acted on by an unbalanced force.

• A regularly occurring or apparently inevitable phenomenon observable in human society.

• For every action, there is an equal and opposite reaction.

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Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL

• 7 g/cm³

• 28 g/cm³

• 1/7 g/cm³

Which object below has the most inertia when at rest?

• A pencil

• A golf ball

• A 10 pound weight

• A school bus

A compression of a wave can be described as...

• the part of a sound wave where the particles are close together

• the part of a sound wave where the particles are spread apart

• The resting point of the wave

The color of objects that we see is the color of the wavelength that is _______ from its surface.

• opaque

• absorbed

• reflected

• shined

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Which is the best example of a pure substance?

• peanuts

• milk

• gold

• air

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.

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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

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

Tags

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