What is a sound that is too high for humans to hear called?

• Normal sound
• Ultrasound
• Infrasound
• Loud sound

Frogs and elephants both communicate using infrasound.

Infrasound is a type of sound that is too high for humans to hear.

Which animal uses echolocation to find its way?

• Elephants
• Dolphins
• Snakes
• Frogs

What is infrasound?

• Sound humans can't hear because it's too high
• Sound humans can't hear because it's too low
• The loudest sound
• The quietest sound

Elephants use echolocation to find their way.

Sound is made by vibrations moving through the air.

How do snakes hear without ears?

• Using their tongue
• Feeling vibrations
• Smelling
• Seeing

Bats can hear sounds that humans cannot because they use echolocation.

Vibration sensing helps some animals 'hear' without ears.

Which animal uses its large ears to hear low sounds over long distances?

• Bats
• Elephants
• Frogs
• Snakes

Dolphins use ultrasound to communicate and navigate underwater.

What is echolocation?

• A way to see with sound
• A way to smell better
• A way to taste food
• A way to feel vibrations

Which animal can hear the highest sounds?

• Elephants
• Snakes
• Bats
• Frogs

Snakes have ears on the outside of their heads.

What causes sound to be made?

• Light
• Vibrations
• Colors
• Heat

Frogs can hear using a special part of their body called a tympanum.

Normal sound is the only type of sound that animals can hear.

Dolphins are fish.

Elephants are the largest land animals on Earth.