Baseline Test grade 7

Which factor does the investigator change during an investigation?

• independent variable

• constant

• dependent variable

• variable

the investigation and exploration of natural

events and of the new information that results from those

investigations is

• Scientific investigation

• Science

• Exploration

• Scientific inquiry

the distance between your initial, or starting, position and your final position. it is represented with a straight arrow extending from the starting point to the ending point.

• Speed

• Acceleration

• Distance

• Displacement

A skateboarder moving at 2 m/s starts skating down a ramp. As the skateboarder heads down the ramp, he accelerates to a speed of 6 m/s in 4 seconds. What is the skateboarder’s acceleration?

• The acceleration is 1 m/s²

• The acceleration is 1 m/s .

• The acceleration is 2 m/s² .

• The acceleration is 2 m/s .

Which is a non-contact force?

• Friction force.

• gravity force

• pushing force

• mechanical force

Which car had a negative acceleration?

• Car A

• Car B

• Car C

• Car D

Which term describes the motion in the time

period from 5 to 8 seconds?

• at rest

• constant speed

• speeding up

• slowing down

The body resists change in speed due to.......

• Action and reaction

• The body speed is changing

• Force Pairs

• Inertia

What is the net force on the object?

• 35 N to the right

• -5 N to the left

• 5 N to the right

• -35 N to the UP

The difference between element and compound is

• number of atoms

• type of atoms

• the bond between atoms

• The outer shape of matter