renewable/nonren. energy
using hot water from an energy source is called _________.
High temperature geothermal energy
when chemical bonds are broken, _____ is released.
energy.
powerlines carry ____________energy into your home as electricity.
electromagnetic
potential energy is the amount of _____________ energy in an object
stored.
lightning is an example of _________ energy.
electrical
What are the 3 renewable energy sources? (alternative energy)
solar power, wind power, hydropower
changes in temperature and phase of any form of matter are caused from _____.
heat energy
There are 4 forms of electromagnetic light. Name at least 2 of them.
visible light, x-rays, radio waves, laser light.
an increase in mass will cause a(n) ____________ in kinetic energy.
increase
pushing a board across the room is an example of _________ energy.
mechanical/ kinetic.
What is the shading on the house used for in passive solar energy?
It is used to block the sun's heat from entering the house, therefore keeping the house cooler.
______ and _______ are forms of stored chemical energy.
food and fuel
the ______ of an atom is the source of nuclear energy.
nucleus
in a rollercoaster, potential energy is LOWEST ______, and highest _______.
at the bottom of the hill; at the top of the hill.
Standing at the top of a cliff before diving is an example of _________ energy.
potential
_________ is the generation of electricity using turbines.
wind power
heat energy is caused by what force?
friction.
When work is done on an object, that is known as _________ energy.
mechanical
What are the two types of potential energy?
gravitational P.E and elastic P.E
an atom splitting into two is an example of _________ energy.
nuclear
________ has the potential to be the largest energy source of all because it is clean burning.
hydrogen/ hydropower
What percent of energy is used today in the form of fossil fuels?
90%
When the nucleus splits, nuclear energy is released in the form of _____ energy and ______ energy.
Heat and light
how does "the bigger they are, the harder to fall" mean in terms of energy.
Objects with more mass have a greater gravitational potential energy.
wood burning is an example of _________ energy.
chemical/thermal/light