Waves
True or False?
All waves transfer energy without transferring matter
True
A type of electromagnetic wave is used in cell phones and Wi-Fi?
What is a radio wave?
A substance with a pH of 2 is a
1. strong acid
2. weak acid
3. strong base
4. weak base
A substance with a pH of 2 is a strong acid.
Do radio waves travel slower than visible light?
Yes, radio waves travel slower than visible light.
The electromagnetic spectrum includes both visible and invisible light.
True or False
TRUE
A type of wave where the particles move parallel to the wave direction.
What is a Longitudinal Wave?
Which waves on the Electromagnetic spectrum have the longest wavelength?
What is radio waves?
The pH of a neutral substance.
What is 7.0?
Are Gamma rays harmful to living cells?
Yes, Gamma Rays are harmful to living cells.
What travels faster, light or sound?
Light travels faster than sound.
A wave that requires a medium to travel through.
What is a mechanical wave?
A wave on the electromagnetic spectrum with the highest frequency.
What is a Gamma Ray?
A substance with a pH of 12 is a
1. weak base
2. strong base
3. weak acid
4. strong acid
A substance with a pH of 12 is a strong base.
Which wave carries more energy?
Infrared or Ultraviolet
Ultraviolet waves carry more energy.
Approximately 300,000 kilometres per second or 186,000 miles per second.
What is the speed of light?
A type of Wave has particles that move perpendicular to the direction of the wave
What is a Transverse Wave
Does an electromagnetic wave require a medium to travel through?
An electromagnetic wave does NOT require a medium to travel through.
Which of the following is a base?
1. lemon juice
2. orange juice
3. vinegar
4. ammonia
Ammonia is a base.
Which is true about acids?
They turn red litmus paper blue or they turn blue litmus paper red.
Blue turns Red in Acid
A loud, often thunder-like noise caused by an object, like an aircraft, traveling faster than the speed of sound
What is a sonic boom?
What is an example of a of a transverse wave?
1. sound wave
2. light wave
3. surface wave
Light Waves are examples of a transverse wave.
A type of wave that humans can see.
What is visible light?
The amount of numbers on a pH scale.
What is 14?
What does pH stand for?
Potential of Hydrogen
The change in frequency (and therefore perceived pitch) of a wave (like sound or light) caused by the motion of the source or the observer relative to each other
What is the Doppler Effect?