Matter UnitJanuary/February 2014

What is matter?

ANSWER: Anything that takes up space

What are the three phases of

matter?

ANSWER: Gas, liquid, solid

How does matter change states?

ANSWER: Increasing or

decreasing the temperature

What is the state of matter where particles move

the most quickly?

ANSWER: Gas

What phase(s) of matter take the volume of the container they are placed in?

ANSWER: Gas

What phase(s) of matter take on

the shape of the container they are placed in?

ANSWER: Liquid and gas

What is mass?

ANSWER: How much matter is in

an object

Does your mass ever change?

ANSWER: Never

What is weight?

ANSWER: a measurement the force of gravity upon an object

Does weight ever change?

ANSWER: Because weight it

dependent on gravity, the more gravity, the more

something weighs.

What are the 3 ways to measure

volume?

ANSWER: A graduated cylinder,

displacement and LxWxH

What is displacement

used for?

ANSWER: Measuring

irregular objects

What is density?

ANSWER: How tightly packed

matter is inside an object?

What is more dense: a packed elevator or an

empty elevator?

ANSWER: A packed elevator

What are atoms?

ANSWER: The basic building

blocks of matter that make up every object

What are the 4 parts of an atom?

ANSWER: Electrons,

protons, neutrons and the nucleus

What is located in the nucleus of an

atom?

ANSWER: Protons and Neutrons

Where are electrons located?

ANSWER: Electrons orbit

the nucleus

What is a molecule?

ANSWER: A substance with

multiple types of atoms

Which of the following is a

molecule:

H2O2 Hydrogen

Atoms3 oxygen atoms

CO

ANSWER: CO and H20

What is an element?

ANSWER: an atom with a unique structure (a

specific type of atom)

Where are all known elements

listed?

ANSWER: The Periodic Table of

Elements

What is the name of the

element?

ANSWER: Barium

What is the atomic

number?

ANSWER: 56

What is the atomic mass?

ANSWER: 137.327

How many protons and

electrons does this element

have?

ANSWER: 56 protons, 56 electrons

How do you figure out the number of

neutrons of an element?

ANSWER: Subtract the

atomic number from the atomic

mass

How many neutrons does this element have?

ANSWER: 81.327 or rounded 82