What is matter?
What two properties define matter?
Mass and volume
What are all things made of?
Atoms
Name the three main states of matter.
Solid, liquid, gas
What is the process of a solid turning into a liquid?
Meting
What type of mixture looks the same throughout?
Homogeneous
True or False: Light is an example of matter.
False
What is a molecule?
A group of atoms bonded together
In which state are particles packed tightly and vibrate in place?
Solid
What do we call the change from liquid to gas?
evaporation
Give an example of a heterogeneous mixture.
Salad, nut mix, etc.
Give an example of something that is not matter.
Sound, light, heat
What are the three main parts of an atom?
Protons, neutrons, and electrons
What state of matter takes the shape and volume of its container?
gas
What happens to energy when water freezes?
energy is removed (lost)
True or False: In a homogeneous mixture, you can see all the individual parts.
False
Explain how a basketball is an example of matter.
It has mass and takes up space (volume).
Which part of the atom has a negative charge?
Electron
True or False: Particles in a liquid are closer together than in a gas.
true
What is sublimation?
The process where a solid turns directly into a gas
What’s the key difference between a homogeneous and a heterogeneous mixture?
Whether the parts are evenly mixed or not
Why are a tree and an ant both considered matter despite their size difference?
Both have mass and occupy space.
What is the difference between a molecule and a compound?
A compound is a molecule made of different kinds of atoms.
Compare the particle movement in solids, liquids, and gases.
Solids vibrate, liquids flow past each other, gases move freely and fast.
Name all six phase changes.
Melting, freezing (solidification), evaporation, condensation, sublimation, deposition
If you take two spoonfuls of a mixture and get different ingredients, what kind of mixture is it?
heterogeneous