Physical Properties
This property tells whether an object will sink or float in water.
Relative Density
Rubbing your hands together makes them warm because this type of energy is transferred.
thermal energy
The movement of electric charge is called ________.
electric current
Metal wires are used in circuits because metal is this type of material.
conductor
This force pulls objects toward Earth's center.
gravity
A magnet will attract this type of material, such as iron or steel.
Magnetic material or metal
When you turn on a lamp, electrical energy changes into light and this other form of energy.
Heat
A circuit must be a __________ to allow electricity to flow.
Closed path
Rubber, plastic, and wood are all examples of this type of material.
insulator
This force slows down a soccer ball as it rolls on grass.
Friction
This physical property describes how hot or cold something is
temperature
When you pluck a guitar string and hear the sound, this type of energy has movement of the string.
mechanical energy
This part of a circuit provides the source of electrical energy
battery
The plastic covering around a wire protects us because it is a good ________.
insulator
Magnets can push or pull without touching because they create this ________
magnetic field
You pick up two objects the same size. One feels heavier. You just compared this physical property.
mass
A light bulb produces heat because some energy is not used for light. This energy is called
Thermal energy
A fan changes electrical energy into mechanical energy because the blades do this.
Move or spin
A conductor allows electricity to flow easily. This property is the opposite of an ________.
insulator
This force causes a dropped ball to speed up as it falls
gravity
A solid ice cube turns into a liquid. What physical property has changed?
Physical states of matter
When you pluck a guitar string and hear the sound, this type of energy has moved from the string to your ears.
sound energy
If a light bulb is plugged in but still won’t turn on, this required part of the circuit may be missing.
Closed path
This material is often used to make cooking pans because it conducts heat well.
metal
A stronger magnet creates a stronger magnetic ________, allowing it to attract objects from farther away.
field