Which is it?
A stretched rubber band is a good example of which main type and sub type of energy?
Name 3 subtypes of energy that you can see for a rollercoaster.
Sound, Gravitational, Mechanical, Thermal, Electromagnetic, Electric
Which definition belongs to Conductor, which definition belongs to Insulator?
a) Heat and electricity do NOT easily go through it
b) Heat and electricity DO easily go through it
Conductor- B
Insulator -A
Kinetic energy is the energy of __________.
motion or movement.
Which 3 energies travel in waves?
Sound, Thermal, Electromagnetic
When you use a battery in a remote what Main type and sub type of energy are you using?
Kinetic Electric
How many potential energies can be identified in this statement: A person walking into a room, turning on a light, taking an apple to eat and then eating it.
1-2
light switch before its turned on- Electric
apple- Chemical
Which form of Heat Transfer occurs due to currents?
Convection, Conduction, Radiation
Convection
Potential energy is the energy of_________
Mrs. Hanson has eaten all of the following except:
Squid, Alligator, Pig intestine, Octopus, Shark
Shark
Which Main type and sub type of energy does the sun use?
Potential Nuclear
Name the conversions (main and subtype) listed in this statement: Bob-john biked to the top of a hill, hit his brakes to stop, ate a snack and then rolled down the hill.
Mechanical-K
Thermal-K
Chemical- P
Mechanical-K
What is an example of heat transfer that uses Conduction?
Touching something hot
Both Force and Work are expressed in _____________.
Newtons
What is the formula for Potential Energy?
PE= mgh
Potential
When energy changes from one form to another, it is never completely efficient. What form does this "lost" energy often take the form of?
Heat
Finish each sentence
Heated particles tend to _________.
Cooled particles tend to __________.
Heated particles tend to rise
Cooled particles tend to sink
What is an energy conversion?
A change from one form of energy to another.
What is the most jobs Mrs. H has ever had at once?
3
Which has more Potential energy?
A 5g ball on a 20 m shelf OR a 20 g ball on a 10 m shelf? Gravity remains 9.8 m/s2
The 20 g ball on the 10m shelf has more potential energy.
What was one energy conversion that we used in our Humdinger lab? (this energy to that energy)
Electric potential to Electric kinetic
Mechanical K to Electric K
Electric K to Sound K
Mechanical K to Sound K
Give an example on earth where you can see the process of Convection.
Wind currents
Ocean Currents,
Magma Currents.
What does the Law of Conservation of Energy state?
Energy can not be created or destroyed.
Where would the most kinetic energy be when you toss a ball?