PS Pre/Post Test (Physics)

If you come to conclusion that your hypothesis is NOT supported; your next step should be:

• revise hypothesis

• repeat experiment many times

• reform conclusion

• give up

Tags

NGSS.MS-PS2-5

A good experiment should have only one variable, the one we want to test. This variable is called the:

• hypothesis

• independent variable

• dependent control

• unchanged variable

Tags

NGSS.MS-PS1-2

A good experiment should have a control if possible. This is something that is left unchanged and is used to:

• identify the problem

• repeat trials

• form a hypothesis

• compare results

The SI unit used for length is the:

• meter

• liter

• foot

• mile

The gram is the SI unit for:

• pound

• volume

• length

• mass

Which of the following is true about inertia?

• the more mass an object has, the more inertia the object will have

• the more mass an object has, the less inertia the object will have

• the less mass an object has, the more inertia the object will have

• the mass of an object has nothing to do with the inertia an object has

Which is true of acceleration?

• happens when you change direction

• is caused by speeding up

• is caused by slowing down

• all are true

What term below best describes the forces on an object with a net force of zero?

• inertia

• acceleration

• balanced forces

• unbalanced forces

What is the tendency for an object to resist any change in its motion called?

• inertia

• net force

• balanced forces

• negative acceleration

A feather will fall through the air more slowly than a brick because of:

• gravity

• air resistance

• static friction

• momentum conservation