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What is a Newton?
The unit used to measure force
The state of matter with fixed shape and volume
solid
The gas humans need to breathe
Oxygen
The closest planet to the Sun
Mercury
the furthest planet in the solar system
Neptune
speed
What is chemical energy?
energy stored in food and fuels
what is temperature?
particles move faster when this increases
what is gravity
the force that pulls objects to Earth
what is the nucleus?
the center of an atom, neutrons and protons
what is mass
the measure of matter in an object
For every action, there is an equal and opposite reaction
What is an ionic bond?
A bond between a metal and a nonmetal
Ice floats because it is less ____ than water
density
sublimation
solid to gas
what is acceleration
increase the speed over time
mass divided by volume
density
What is Boyle’s Law?
Pressure increases when volume decreases
What is renewable energy?
Energy from the Sun, wind, or water
What is latent heat?
Energy required to change state without temperature change
What is friction?
The force that slows down moving objects when two surfaces touch
What is potential energy?
Energy that an object has because of its position (for example, at a height)
What is the troposphere?
The layer of Earth where weather happens
What are atoms?
The tiny particles that make up all matter
The force that acts in the opposite direction of motion in air