SCI6 T3 REVIEW

SCIENCE 6

T3 Review

Multiple Choice

a fixed location that can be used to describe an object’s position

• position

• distance

• reference mark

Multiple Choice

Which can be used to predict the location of an object?

• speed

• direction

Multiple Choice

An object accelerates when it is moving at a constant speed but it changes direction.

• TRUE

• FALSE

Multiple Choice

force that is constantly applied to an object

• continuous force

• momentary force

Multiple Choice

force between the surfaces of two objects that keep the objects from moving

• static friction

• sliding friction

• rolling friction

Multiple Choice

tendency of an object to resist a change in motion

• net force

• inertia

Multiple Choice

An object with greater mass will have greater acceleration.

• TRUE

• FALSE

Multiple Choice

a measure of how hard it is to stop a moving object

• inertia

• momentum

Multiple Choice

Work is done if a force causes the object to change in position.

• TRUE

• FALSE

Multiple Choice

W = ?

• $$force\ \div\ dis\tan ce$$

• $$force\ \times\ dis\tan ce$$

Multiple Choice

Kinetic energy depends on the object's ______ and _____.

• mass, height

• mass, speed

• mass, distance

Multiple Choice

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

• thermal energy

• mechanical energy

Multiple Choice

Energy cannot be created or destroyed but it can be transformed from one form to another.

• TRUE

• FALSE

Multiple Choice

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

• TRUE

• FALSE

Multiple Choice

A wave transfers _____.

• matter

• energy

Multiple Choice

Sound waves can only travel through a medium.

• TRUE

• FALSE

Multiple Choice

part of a compressional wave where the particles are spread apart

• compression

• rarefaction

Multiple Choice

the lowest point of a wave

• crest

• trough

Multiple Choice

In a compressional wave, the crest is the point of greatest compression.

• TRUE

• FALSE

Multiple Choice

distance between wave crests or troughs

• amplitude

• frequency

• wavelength

• period

Multiple Choice

a measure of how many wave crests or troughs pass a given point in unit of time

• amplitude

• frequency

• wavelength

• period

Multiple Choice

A high-amplitude wave has _____ energy than a low-amplitude energy.

• less

• more

Multiple Choice

difference in the loudness of sound

• pitch

• volume

Multiple Choice

If the sound source is moving away from you, the pitch becomes higher.

• TRUE

• FALSE

Multiple Choice

results in the amplification of sound

• constructive interference

• destructive interference

Multiple Choice

force against which the machine acts

• effort force

• resistance force

• output force

Multiple Choice

If a machine has a mechanical advantage of 2, it multiplies the efforce force by 2.

• TRUE

• FALSE

Multiple Choice

a simple machine consisting of a rigid bar and a pivot point

• lever

• inclined plane

Multiple Choice

Which is NOT like the others?

• screw

• wheel and axle

• wedge

Multiple Choice

In a _____-class lever, the fulcrum is between the effort and load.

• 1st

• 2nd

• 3rd

Multiple Choice

What is the speed of light in a vacuum?

• 100,000 km/s

• 200,000 km/s

• 300,000 km/s

• 400,000 km/s

Multiple Choice

Which material can produce a shadow?

• transparent

• translucent

• opaque

Multiple Choice

Which of the following reflects light to form images?

• mirror

• lens

Multiple Choice

Which lens is used to correct nearsightedness?

• concave lens

• convex lens

Multiple Choice

When particles are moving faster, the temperature increases.

• TRUE

• FALSE

Multiple Choice

Which is used to measure temperature?

• calorimeter

• thermometer

Multiple Choice

transfer of heat by the flow of a liquid or a gas

• conduction

• convection

• radiation

Multiple Choice

A positively charged object is attracted to another positively charged object.

• TRUE

• FALSE

Multiple Choice

buildup of a positive or negative electric charge on a material’s surface

• static electricity

• current electricity

Multiple Choice

Which of the following is a good electric conductor?

• wood

• copper

• oil

• glass

Multiple Choice

lowers the amount of electric charge that flows through a device

• switch

• resistor

Multiple Choice

has multiple paths along which current electricity can flow

• series circuit

• parallel circuit

Multiple Choice

device that is magnetized by current electricity

• electromagnet

• electric generator

Multiple Choice

decreases the voltage

• step-up transformer

• step-down transformer