Sci 9: Ch 9, 15-17 Energy Unit Review

Transformers are able to increase or decrease ___________.

When the lights in class are turned off, what type of circuit is present?

The splitting of the nuclei of large atoms is known as ___________.

Young's 2-Slit experiment shows that light behaves like a

A 50 Ω, 25 Ω and 10 Ω resistor are connected in series. What is the equivalent resistance?

Two magnets with like poles facing each other

The most common lake name in MN - there are 201 lakes named this:

Sound will travel slowest through a ___________.

If the same lightbulbs are used, which type of circuit will have the highest resistance?

This type of energy doesn't need matter to propagate (move)

I do not allow charges to flow across me easily

As the frequency of a wave increases, the wavelength ___________. - assume constant speed

The SI unit for resistance is

A galaxy that is traveling away from the earth will experience what type of doppler shift?

If a wave has a frequency of 4.0 Hz, what is the period for one wave?

When people do "the wave" at sporting events, what type of wave is it?

Carbon - 14 has decayed in to Nitrogen -14. What sort of particle was given off?

What type of wave is shown in the picture?

Which form of energy is essentially the movement of electrons?

One lightbulb in a circuit burns out and the rest also go out. The bulbs are wired in _____.

The flow of electrons is better known as _________.

Electromagnetic waves are different from mechanical waves in that they do not require a ______.

Light is best described as ___________.

If an object has a positive overall charge it has

If Plutonium - 244 undergoes alpha decay, what substance is leftover?

A current in a wire causes ________ around the wire.

When the apparent wavelength of a wave gets longer, this is called

How much USEFUL energy will come out of a machine that has 300 J of energy going into it?

Which of the following is the equivalent of friction in a circuit?

The _______ of a sound wave represents the loudness of the sound

This type of radiation CAN penetrate paper, but no thin sheets of aluminum.

The radiation that comes from rocks, the sun, and other sources is known as ________ radiation.

These convert motion into electricity

A 3.0 Hz wave has a wavelength of 12 m. What is the wave's speed? v = λ*f

Given a circuit has 2 resistors in parallel: 450Ω and 230Ω - which receives the most current?

This scientist discovered radiation

_________ is the most common fuel for fusion in stars.

The apparent change in pitch of a sound caused by motion is called the _________.

What is this called?

600 J of energy are put into a machine. How much total energy must come out?

Energy stored in the bonds between atoms is known as what type of energy?

When objects emitting sound travel toward the observer, the wavelength

An electric motor will convert _______ energy to __________ energy.

A(n) _________ particle is the same as a Helium nucleus.

During beta decay a neutron decays into _____________.

What type of energy is found in the nucleus of an atom?

What is the most dangerous type of radiation?

This is the isotope of uranium used to fuel nuclear reactors in the US