Light Energy
When light energy bounces off of objects
Reflect / Reflection
When two objects of different temperatures are touching, heat will be transferred from
hot to cold
When sound energy passes through matter, it shakes back and forth known as ___________. All sounds are produced by these.
vibration
energy in both motion and position
mechanical energy
electrically charged particles can either be
positive or negative (+ or -)
the main source of energy for planet earth that starts every single food chain is the
sun
When light energy bends through objects (looks broken bent or bigger)
refract / refraction
True or False: Heat transfer can cause matter to change temperature.
True
the faster the vibration, the higher the
pitch
mechanical energy in motion
kinetic energy
broken
All energy comes from a starting place, called a ________
source
When light energy goes all the way into matter
absorb
When one end of a steel rod is held in a flame, the other end of the rod gets hot. This happens because steel is a
conductor
the longest string on a guitar makes a
low pitch
mechanical energy in position
potential energy
if the circuit is closed, energy
energy sources that are good for the environment and will never run out
When light passes all the way through matter, the matter is
transparent
this type of material does not let energy pass through it easily
insulator
if a sound wave is really tall vertically, the sound has a
loud volume
wind energy turns a machine called a
windmill or wind turbine
electrical energy has charges that flow through a wire in a _________.
circuit
energy resources that are not so good for the environment and also will run out one day
nonrenewable resources
When only a little light passes through matter, it is
translucent
when particles of a gas cool down, they move
slower
When we plucked the rubber band, the sound energy vibrated the
air
Tracing and measuring an object's position over time can tell about its motion. An object's position over time describes how fast the object is moving, or the object's ________.
speed
What type of energy is inside of a battery?
chemical energy
wind, water and solar energy are examples of
renewable resources
When no light passes through matter, the matter is
which cup would make your hot chocolate cool down the fastest (paper, metal or plastic)?
metal
Which type of sound would the shortest key on the xylophone make?
high pitch
The motion of an object can be described by measuring the object's change in _______ over time.
position
the flow of charged particles go from
negative to positive
minerals coal and oil are examples of
nonrenewable resources