Matter
Matter is anything that has ____ and ____.
mass, volume
What are the three subatomic particles that make up atoms?
protons, neutrons, electrons
The kinetic energy of an object is determined by its ____ and ____.
mass, speed
What form of energy is the energy of motion?
mechanical
Heat is the transfer of ________.
thermal energy
What is the formula to calculate density?
mass / volume
How is the atomic mass of an atom calculated?
By adding together the number of protons and neutrons.
At what point on a rollercoaster will the carts potential energy be greatest?
the top or highest point
What energy transformation occurs when you turn on a flashlight?
electrical to radiant
Thermal energy always moves from ____ objects to _____ objects.
warmer, cooler
What property determines if an object will sink or float in water?
density
What are the vertical columns on the Periodic Table called?
groups or families
What law states that energy cannot be created or destroyed, only transformed?
The Law of Conservation of Energy
Name seven forms of energy.
mechanical, radiant, sound, chemical, electrical, nuclear, and thermal
What type of heat transfer occurs when air is circulated, such as in an oven or a hot air balloon?
convection
Mass is the amount of matter within an object while weight is a measure of the force of _____ acting on an object.
gravity
What three categories of elements make up the periodic table?
metals, nonmetals, metalloids
What are two types of potential energy?
gravitational and elastic
Name an energy transformation where chemical energy turns to mechanical energy.
a car running on gasoline
a person riding a bike
other...
What type of heat transfer occurs when you use your hands to feel the warmth (or coldness) of your drink from the container.
conduction
An object will sink in water if its density is greater than _____. (Use correct units).
1 g/cm3
Is this chemical equation balanced?
Ag2O -> 2Ag + O2
Why or why not?
No, there is an unequal amount of oxygen atoms on both sides.
Explain the relationship between kinetic and potential energy of an object in a system?
As height and speed of the object change, potential energy is converted to kinetic energy, and vice versa.
Where is chemical energy stored?
the bonds between atoms
When thermal energy is added to an object, what happens to its particles?
They speed up and spread out.