A physical property is a characteristic of something that allows it to change to something new.

Change of state is a physical change

In a physical change, the substance does not change its identity

When a substance undergoes a chemical change, its identity does not change

Mass is conserved in both physical and chemical changes

As you decrease the velocity of a car, you increase its kinetic energy

Pushing on a wall until you are exhausted is doing work

When energy changes from one type to another, these changes are called energy transformations

Rubber soled boots slide easily over a piece of rough wooden floors due to friction

When energy changes form, some thermal energy is always releasedd

Reflection occurs as a wave changes speed in moving from one medium into another

Light waves are electromagnetic waves

Mechanical waves can travel either through matter or through empty space

The frequency of a wave is the number of wavelengths that pass by a point each second

The intensity of a sound wave increases as the wave spreads out from the source of the sound

In a battery, chemical energy is transformed into electrical energy

Unlike magnetic poles repel each other

Neutrons do not have an electric charge

Fossil Fuels are a renewable resource

Vampire energy is the energy used by electronic and appliances that are turned off but left plugged in

Fresh water makes up 97% of all water on Earth

The following are examples of physical properties EXCEPT

All of the following are a state of matter EXCEPT

All the following are examples of physical changes EXCEPT

The temperature at which a liquid becomes a gar is the _______ point.

The change that is NOT a physical change is ______.

An example of a chemical change is _____.

The rusting of iron is not a physical property because ________.

Which state of matter has a very weak attractive force between particles?

Photosynthesis is a chemical reaction which uses _______ as a form of energy.

A kite stuck in a tree had ______ energy.

a green plant has ______ energy.

Which statement is NOT true about energy?

Due to the force of gravity, if an object is on top of a hill or in a position off the ground, it has ______.

If an object is NOT moving, it does not have ______.

The combination of potential and kinetic energy that a ball has that has been tossed into the air is which type of energy?

Hot water is poured into a mug and the mug gets hot. This is an example of which type of energy?

You can see an object like a book because the book ______.

Which type of electromagnetic radiation has the longest wavelength?

The amplitude of a wave is the distance ________.

Sounds waves are ______.

Light passes through glass windows because of _______.

Sounds intensity is measured in ________.

A material through which electrons can move easily is a _________.

What type of circuit is used in homes?

An object t hat has gained electrons is _________.

Which of the following is an electric insulator?

What is a fossil fuel?

Which of the following is NOT a nonrenewable energy resource?

Waste materials from nuclear power plants ________.

Geothermal energy comes from _______.

Which is NOT an example of land as a resource?

Which of the following causes air pollution?

Scratching a silver teaspoon is a _________ change.

The _________ point is the temperature when a liquid turns to a gas

Dry wood has a high __________ which is the ability to burn easily.

_________ is the ability to cause change.

Kinetic energy is the energy of _________.

The kinetic energy of an object depends on its ________ and __________.

During photosynthesis a green plant uses _________ energy from the Sun.

If you know a light ray's angle of incidence, you can predict its angle of __________.

Mechanical waves cannot travel through __________.

The more energy used to produce a sound wave, the ________ the amplitude.

A _________ is the unit used to count electrons.

Similar poles of a magnet ________, and opposite poles of a magnet ___________.

__________ energy comes from the nuclei of uranium atoms.

An energy source that is used up much faster than it can be replaced is a ________ resource.

A group of atoms that have their magnetic poles pointing in the same direction, is what?

Material that allows electric charges to move easily, is what?

Material that does NOT allow electric charges to move easily, is what?

Measure of how difficult it is for electrons to flow, is what?

Closed path in which electric charges flow, is what?

If you were given a piece of paper, how can you cause a physical change?

How could you increase the kinetic energy of a wagon without increasing its mass?

How is the intensity of sound waves related to amplitude?

What examples below are sources of electric energy?