1
______ are particles which make up a molecule.
A. Atoms
B. Matter
C. Mixtures
Atoms
All matter is made up of particles called __________.
A. Attraction
B. Energy
C. Molecules
Molecules
Material which can easily transfer energy.
Conductor
_______ objects GIVE OFF light.
Luminous
List 2 examples of POTENTIAL energy:
Coal, battery
_______ is the bending of light rays as they enter a new material.
A. Reflection
B. Refraction
C. Vibration
Refraction
What is the HIGHNESS or LOWNESS of sound?
Pitch
Material that transmits light.
Transparent
Stored, waiting energy is ________ energy.
A. Potential
B. Kinetic
Potential
List 5 examples of KINETIC energy:
Flowing river, sound, light, boiling water, closed electrical circuit.
To ______ energy is to change it from one kind of energy to another.
A. Amplify
B. Convert
C. Transfer
Convert
The material that BLOCKS light.
Opaque
Machine which converts mechanical energy into electrical energy.
Generator
A buildup of electrical charge is _________ electricity.
Static
A shadow is a _____ area or shape cast by an opaque object.
A. Dark
B. Light
Dark
Light that bounces, or is thrown back, is ________ light.
A. Amplified
B. Reflected
C. Refracted
The LOUDNESS or SOFTNESS of sound.
Volume
Allowing light through but scattering it so objects cannot be seen clearly.
Translucent
_______ energy is moving, working energy.
A. Potential
B. Kinetic
Kinetic
A loud sound has ______ volume than a soft sound.
A. Less
B. More
More
__________ is the measure of a wave's strength.
A. Amplitude
B. Crest
C. Transmission
Amplitude
Material which cannot easily transfer energy.
Insulator
The ability to do work is _________.
Energy
The flow of electrons along a path is _________ electricity.
Current
An atom is _______ than a molecule.
A. Smaller
B. Bigger
Smaller