What is Energy?
Energy is the ability to do ___________.
Work.
When white light is split it makes a ________________.
Rainbow!
Batteries ____________ energy.
Store energy!
Thermodynamics means...
The moving of heat.
How is a molecule formed?
When two or more atoms are bonded chemically.
A Newton is a unit used to measure ____________.
Force.
What are the primary colors of light?
Red
Green
Blue
What can the energy in batteries be used for...
Motion and light!
How do we use the Suns energy?
It can be used to heat and run our homes.
Grows the plants we eat.
...
What is a compound?
A molecule made up of two or more elements.
A joule is a unit used to measure ___________.
Work.
Reflection of light is when...
.... light bounces off of a surface.
Fossil Fuels are...
Nonrenewable sources of energy.
1st law of thermodynamics...
Energy cannot be created or destroyed.
What is an Atom made of up? (Should have three answers)
1. Protons
2. Neutrons
3. Electrons
What is Kinetic Energy?
is the energy of matter in motion
Absorption of light is when...
....light is taken in and not reflected off a surface.
How are Fossile Fuels formed?
They are formed from the remains of plants and animals that have been buried beneath Earths surface and have been changed by pressure and heat.
2nd law of thermodynamics...
Energy always moves from hot things to cold things.
What is an Element?
A substance made up of one type of atom.
What is Potential Energy?
Stored energy is called ‘potential energy’.
Refraction is the...
Bending of light as it travels through a transparent surface.
What things use Fossil Fuels (name at least 3)
Cars
Ships
Planes
Homes
3rd law of thermodynamics
Nothing can be colder than absolute zero.
How many of each element is in the molecule:
H2O
Hydrogen = ____
Oxygen = ____
H2O
Hydrogen = 2
Oxygen = 1