In order to find the average speed of an object, you must know its mass and direction

When an object's speed changes, its velocity also changes.

Friction is a force that slows down motion between 2 surfaces that are in contact.

a rocket launching is an example of Newton's Law # ___________

Force is measured in _____

When sound travels through air, the air particles ___________

Which light waves compose white light?

Stained glass

__________ move freely through an conductor.

Current that does not reverse direction is called

A car takes 20 seconds to go 60 meters. What is the average speed of the car?

The force applied to the gas pedal of your car is an example of__________

An object in motion stays in motion, an object at rest stays at rest, unless an outside force acts upon it.

Objects will ____________ one another when they have opposite charges.

A larger force acting on an object will cause a greater ACCELERATION of that object is Newton's Law # _________

School, your house, stores, are wired in ______________ circuits.

The hertz is the unit to measure the intensity of sound.

Clean glass.

A wall.

Unlike poles of a magnet

A circuit that has only one pathway to follow.

You produce speech by vibrations of the

Which light wave has the longest wavelength?

A yellow duck reflects light waves of which of the following wavelengths?

The lower the energy of a sound wave, the higher pitch.

The distance from one crest of a wave to the crest of the next wave is the ___________

The bending of light rays

Unlike poles of a magnet

Current that does not reverse direction

Which of the following is a device designed to open an overloaded circuit and prevent overheating?

A sheer curtain

Houses, schools, and other buildings are wired using what type of circuit?

a rocket launching or a co2 car going down a track is an example of which Newton's Law

Distance is measured in

Electrons move freely through a(n)