Matter Unit January/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: H 2 O 2 Hydrogen Atoms 3 oxygen atoms CO
ANSWER: CO and H 2 0
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:
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: or rounded 82