"RIPPLES OF ENERGY"



a wave is any movement that carries energy.some waves carry energy through water. others carry energy through gases like air or solid materials.if you drop a rock into a pool of water a wave or ripple of energy skills across the pool surface in the same away a tsunami runs across the surface until it hit land.

if you hear a clap of thunder sound waves or vibrations have carried the crashing boom to your ear sound waves speed through the air at about 1,100 feet 335 m per second.

light also travels through the airwaves day travel at more than 186,000 miles 300 million meters per second saw the light waves from a flash of lightning which your eyes before the clap of thunder reaches your ears.

electrons travel in waves to they move back and forth in a solid wires sending waves of electricity so you can turn on a light during the storm.

1)what does the selection talk about?

2)what is the purpose of the writer in this text? what does he want his readers to know and understand?​