Types of Energy
What is the main source of Solar Energy?
The Sun
What is used to produce wind energy?
Wind Turbines
When two football players collide on the football field and are knocked backwards, what happens with their energy?
Both of the players energy transfers to the other resulting in knocking them backward
True or False? Energy transferred between Kinetic and Potential energy depends on the objects motion
True
What are complex machines?
Basic machines combined into one machine
Where does Biomass occur?
Nature in general
How does simple machines help humans?
Simple machines make lifting things or moving things easier and helps humans use less energy when dealing with life
A natural gas stove converts to what energy used to cook food?
Thermal Energy
Define energy transformations
The passing of energy from one objet to another
How do you calculate efficiency in a machine?
Energy Efficiency = Useful Output energy / Total Input Energy
or
Energy Efficiency = Useful Power Output / Total Power Input
Can a wind turbine function without some sort of fuel?
No
True or False? Natural gas can be transformed into any form of energy
True, thats why its the best,
git gud
Laws of Conservation of Energy States That
Energy Can't be created or destroyed, but it can be transformed from form to form
When toasting a piece of toast in a toaster, electrical energy is transformed into what energy?
Thermal Energy
Name six basic machines
Lever, Wheel and Axle, Inclines Plane, Wedge, Screw Pulley
What disease can you get from Uranium?
Cancer
True or False? Water is a renewable source of energy
True
How is the laws of conservation of energy used when wood is on fire?
When the wood is burning is stores up potential energy, it transforms to light and heat energy and it doesn't get destroyed.
The Sun transforms Nuclear Energy into what?
Hint (Two Possible Answers)
Ultraviolet and Gamma Energy
True or False? An Elevator use all 6 basic machines
False
What is Ionization energy?
The difficulty of removing electrons from an atom
Are renewable resources good?
yes
When you rub your hands together for warmth, what two energy are transformed?
Kinetic and thermal energy
During transformation, what occurs in fluids and only in fluids?
Convection
Whats the other phrase used for Complex Machines?
Compound Machines