Quarter 1 Review

What is the independent variable on this graph?

• only flow time

• only temperature

• • 
    

    both flow time(s) and temperature

The block in this illustration is floating in water, which has a density of 1.00 g/cm3. 

What is a good estimate of the density of the block if about 30 percent of the block is below water?

• 0.30 g/cm3

• 0.60 g/cm3

• 0.90 g/cm3

• 1.00 g/cm3

Which term best describes movement in a specific direction?

• velocity

• scalar

• vector

• pull

Which term is equal to velocity change per second?

• velocity

• gravity

• speed

• acceleration

The purple arrow on the graph shows speed and direction.

What is this arrow called?

• a vector

• a force arrow

• a speed arrow

• an acceleration arrow

What is equal and opposite, according to Newton's third law?

• change in velocity

• change in acceleration

• reaction

• action

Tags

NGSS.MS-PS2-1

Why does light refract (or bend), as shown in the illustration?

• It slows down.

• It speeds up

• It gains energy

• It reflects light

Tags

NGSS.MS-PS4-2

Which term is defined by the interaction between two charged particles?

• gravity

• nuclear force

• intermolecular force

• electromagnetism

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the upward force that makes things float?

• gravity

• density

• resistance

• buoyancy

How does Pascal's principle describe pressure throughout a fluid?

• uniform

• unmoving

• random

• floating