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Science Vocabulary
Light and energy
Term | Definition |
---|---|
cause | makes something happen |
effect | what happens |
energy | the ability to do work or cause change |
electrical energy | the movement of electrical charges |
sounds energy | energy you can hear |
light energy | energy you can see |
kinetic energy | the energy of motion |
mechanical energy | the energy that motion or position give to an object |
potential energy | stored energy |
heat energy | transfer of heat from one place to another |
wave | disturbance that carries on energy from one point to another point |
crest | highest point of a wave |
trough | lowest point of a wave |
wavelength | distance between two crests or two troughs |
wave | form that energy travels in |
absorb | to take in light |
reflect | to bounce light off of an object |
shadow | a dark area formed where an object blocks light |
refract | to bend light |
light energy | energy we can see |