Waves
What type of wave has compressions and rarefactions?
Longitudinal
What two properties define matter?
Mass and Volume
Heat always moves from a ___ object to a ___ object.
Hot, cold
Energy of motion is called ______ energy.
kinetic energy
Which organelle produces energy?
Mitochondria
Which property of a wave controls pitch?
Wavelength
What happens to particle movement when ice melts?
They spread out and move faster
Touching a hot pan is an example of what heat transfer?
Conduction
When a ball rolls downhill, what happens to its energy?
Potential energy goes down, kinetic goes up
Which organelle stores genetic material?
Nucleus
High pitch + low volume means
short wavelength & low amplitude
What Phase change happens when you heat up ice?
melting
Which process explains boiling water circulating in a pot?
Convection
At what point does an object have the most potential energy?
At the top of its position
If energy production is low but storage & transport work, which organelle is malfunctioning?
Mitochondria
Explain why sound is a mechanical wave but light is not.
Light can travel through open space
Why does evaporation happen faster on hot days?
The heat will make the molecules move faster and tune into a gas faster.
Explain how heat travels from the Sun to Earth.
It travels through open space with radiation.
Describe a real-life example where kinetic and potential energy switch.
explanation..
Which EM waves have the longest wavelength?
Radio