Mr. De La Cerda uses a laser to point at stars in the night sky. Inside the laser pointer, is a battery. Which energy transformation takes place when he uses the laser pointer?

Which object uses light energy transformed into electrical energy?

Which types of energy does the television produce?

What source of energy does a computer need in order to work?

Construction workers wear reflector to be seen at night. Reflectors need __________ energy to be seen.

What type of energy is melting the ice cube

Which line demonstrates how light travels?

Darker colors absorb more light, which is changed into heat and causes an increase in temperature. Lighter colors reflect more light, so they stay cooler. Which of the following roofs would be the warmest on a hot summer day?

Jace wants to make a shadow on the wall in front of him. Which is the best way for Jace to make the shadow?

The measure of how high or low a sound is, based on how fast or slow an object is vibrating, is called ________.

A jacket keeps your body warm, because it slows heat from leaving your body, and doesn't allow much cold air to go through it. In this way, a jacket is an example of an ______________.

Which of the following is a good conductor of heat and electricity?

Which is TRUE about an insulator?

Which of these is a conductor?

An insulator does not allow electricity to pass through it easily. Which of the following would make a good insulator?

The electrical wires in many homes are made of copper and covered with plastic. Why are copper and plastic good choices for electrical wires?

An insulator does not let energy flow through it easily.

Which type of material will keep hot things hot and cold things cold? (it blocks the flow of energy through it)

Which statement best defines Mechanical Energy?

What is a material that slows down or stops electric current or thermal energy from passing through it?

Look at the diagram. What is the term for "B"?

Follow the path.

Which image demonstrates a flowing electrical current?

The energy being used is __________ and it is producing _______ energy.

Which energy transformation is taking place in the image?

What's one example of a powerful electrical charge?

When you get shocked by touching a doorknob, that's an example of ___________________.

Static electricity is when_________________

What would cause two balloons to repel? (select 2 answers)

If the balloon has a negative charge and is attracting the hair, then the hair must have which type of charge?

_______ is when there is a buildup of charges (more of one type of charge) on an object.

Why does the straw appear to be bent?

What is the best explanation for Mickey seeing himself in the mirror?

The light in the image strikes the mirror at an angle, making the light bounce off the mirror. This is an example of:

The image shows light entering the prism and being bent before it exits on the other side of the prism. This is an example of:

Why do we see a second image of the mountain on the surface of the water?

A fisherman is looking at fish from above the water. They look larger than they actually are. He also can't see where exactly they are located, because light is bending through the water, making the fish look father away than it actuall is. What is causing these differences?

Energy can change from one form to another.

Marsha plugs in the toaster and puts the bread inside. To cook the toast, electrical energy is transferred to which other type of energy?

When people use solar panels, solar energy is transformed into which other type of energy?

When using an oven to cook food, electrical energy is transformed into which other type of energy?

When using a fan, electrical energy is transformed into which other type of energy?

A windmill is an example of mechanical energy being transformed into which other type of energy?

When using a stove, electrical energy is transformed into which other type of energy?