True or Falseness?
Water, soap, and oil are three adhesions.
False. They are three lubricants.
What is kinetic energy?
Energy in motion
What measurement do we use to measure loudness?
Decibels
Which law does this apply to?
Newton’s third law of motion.
David from the bible used Centripetal force when he was twirling the sling.
True
DAILY DOUBLE!
It takes more force to accelerate a Suburban to 30mph than a sports car.
This energy results from vibrations in a medium
What is sound energy?
Which has more waves per second-a high-pitched or low-pitched sound?
A high-pitched sound.
What kind of force is this?
Centripetal force
The speed limit of falling objects is called aerodynamic design.
False. It’s called Terminal Velocity.
What is potential energy?
Stored energy
Daily Double!
What do we call a sound too high pitched for human ears to hear?
What kind of electricity is this?
Hydroelectricity
Energy made from sources that don’t run out is called Nuclear energy.
False. It’s called Renewable energy.
The study of motion is called the study of...
Mechanics
What are some forms of renewable energy that comes from animals and plants buried long ago?
Fossil fuels: oil, coal, natural gas.
What do we call a sound too low pitched for human ears to hear?
Infrasonic
What did you hear?
Sonic boom