T1 SCI8 - REVIEW 1

Multiple Choice

combination of all the forces acting on an object

• inertia

• net force

• acceleration

Multiple Choice

Which of the following results in a change in motion?

• balanced forces

• unbalanced forces

Multiple Choice

tendency of an object to resist a change in motion

• inertia

• net force

• acceleration

Multiple Choice

Which has greater inertia?

• a car

• a truck

Multiple Choice

Unbalanced forces result in a change in speed or direction.

• TRUE

• FALSE

Multiple Choice

change in velocity

• inertia

• net force

• acceleration

Multiple Choice

The action force and reaction force cancel each other out?

• TRUE

• FALSE

Multiple Choice

Law of Acceleration

• 1st Law of Motion

• 2nd Law of Motion

• 3rd Law of Motion

Multiple Choice

Energy is measured in _____.

• Watts (W)

• Newtons (N)

• joules (J)

Multiple Choice

released by vibrating objects

• thermal energy

• nuclear energy

• radiant energy

• sound energy

Multiple Choice

stored energy

• kinetic energy

• potential energy

Multiple Choice

Kinetic energy depends on mass and height.

• TRUE

• FALSE

Multiple Choice

the sum of potential energy and kinetic energy in a system of objects

• mechanical energy

• thermal energy

Multiple Choice

the transfer of energy that occurs when a force is applied over a distance

• energy

• power

• work

Multiple Choice

More work is done when more force is applied.

• TRUE

• FALSE

Multiple Choice

There is more power if the same amount of work is done for more time.

• TRUE

• FALSE

Multiple Choice

Sound waves are longitudinal waves.

• TRUE

• FALSE

Multiple Choice

In a sound wave, the particles are closes to on another in a _____.

• compression

• rarefaction

Multiple Choice

In which material do sound waves travel fastest?

• solids

• liquids

• gases

Multiple Choice

Speed increases as the temperature of the material increases.

• TRUE

• FALSE

Multiple Choice

part of the ear that converts vibrations to nerve signals

• outer ear

• middle ear

• inner ear

Multiple Choice

how high or how low a sound seems

• loudness

• pitch

Multiple Choice

Light waves can travel in both matter and vacuum.

• TRUE

• FALSE

Multiple Choice

light energy is converted to thermal energy

• reflection

• transmission

• absorption

Multiple Choice

allows most light to pass through

• transparent

• translucent

• opaque

Multiple Choice

bending of light rays as they travel from one material to another

• reflection

• refraction

• scattering

Multiple Choice

cells in the eye that allow us to see colors

• rods

• cones

Multiple Choice

An object absorbs all wavelengths of light.

It appears _____.

• white

• black