4th Grade Science: Waves Flashcards
1
Q
Lightning
A
The occurrence of a natural electrical charge in the sky, resulting in a bright flash of light.
2
Q
Light Wave
A
A type of wave that travels from one place to another. When these waves reflect off objects into our eyes, it enables us to see.
3
Q
Wavelength
A
The distance between two waves.
4
Q
Amplitude
A
A measure of the highest height of the wave from its rest position.
5
Q
Thunder
A
A loud rumbling or crashing noise resulting from the expansion of rapidly heated air due to electric discharge.
6
Q
Sound Wave
A
A type of wave that travels from one place to another. When these waves reach our ears, we hear sound.
