Waves Are Tools by Krista Dorst

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Slide Notes

Waves Are Tools

Published on Nov 19, 2015

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PRESENTATION OUTLINE

WAVES ARE TOOLS

By Krista Dorst

Photo by archer10 (Dennis)

WATER WAVES
Animals which use water waves are killer whales. Killer whales use water waves to capture their prey. When killer whales are in big groups, they can create huge waves to knock their prey into the water so they can hunt and eat it. They usually hunt seals. They have to splash the water at a certain time so they can knock the seal off the iceberg, if they don't, they will destruct the wave.

KILLER WHALES

SEISMIC WAVES
An animal that uses seismic waves is an elephant. When an elephant walks, the ground vibrates and makes seismic waves. Elephants can transmit 10-40 Hz of seismic energy. An elephant's sound travels at 309 m/sec through air and about 248-264 m/sec through the ground. An elephant can also detect a seismic vibration with their bone conduction, middle ears, toes or feet. For example, before a earthquake, there are little waves underground that an elephant can feel. Even though elephants are big, they can detect little and big seismic waves when other animals usually can't detect seismic waves.

ELEPHANT

ELECTROMAGNETIC WAVES
An animal that can make electromagnetic waves is a bee. A bee can see ultraviolet light which makes everything a different color. For example, a yellow flower looks yellow/green to them. They see light spectrum from 700-300 nm. Since bees have this special eye sight, they can detect if there is food on a flower or not. Bees travel 56,000 mile and visit more than 2 million flowers to make one jar of honey. One bee produces ONLY a half a teaspoon of honey in its whole life!! Bees might be little, but they do some pretty amazing things.

BEE

Photo by Vijay..

Untitled Slide

Untitled Slide

SOUND WAVES
An animal that uses sound waves is a dolphin. A dolphin uses sound waves for communication. If there wasn't sound waves, the dolphins and other living things wouldn't be able to talk and communicate with each other. Dolphins have certain calls for different reasons. Like, clicking, squeaking, creaking and buzzing clicks. A dolphin's frequency of sound ranges from 0.2 to 150 kHz. For dolphins, lower frequency is usually social communication and high frequency is usually echolocation.

DOLPHIN

Photo by Justin Ornellas

Dolphin using sound waves

WEBSITES USED

Krista Dorst