matter Flashcards
(26 cards)
What is matter?
Matter is anything that has mass and occupies space.
True or False: All matter is made up of atoms.
True
Fill in the blank: The three states of matter are solid, liquid, and ______.
gas
What is the primary difference between solids and liquids?
Solids have a definite shape and volume, while liquids have a definite volume but take the shape of their container.
Which state of matter has the highest energy?
Gas
What is the term for the process of a solid turning directly into a gas?
Sublimation
True or False: Gases have a fixed volume.
False
What is the measure of the average kinetic energy of particles in a substance?
Temperature
Multiple Choice: Which of the following is NOT a state of matter? A) Solid B) Liquid C) Plasma D) Vaporization
D) Vaporization
What is the process called when a gas turns into a liquid?
Condensation
Fill in the blank: The basic unit of matter is the ______.
atom
What do we call substances that cannot be broken down into simpler substances?
Elements
True or False: A compound is made up of two or more different types of atoms chemically bonded together.
True
What is the term for a mixture that is uniform in composition?
Homogeneous mixture
Multiple Choice: Which of the following is an example of a physical change? A) Rusting iron B) Melting ice C) Burning wood D) Digestion
B) Melting ice
What is the name of the force that holds atoms together in a molecule?
Chemical bond
Fill in the blank: The ______ is the smallest particle of an element that retains the properties of that element.
atom
True or False: All substances have the same density.
False
What is the term for the amount of space an object occupies?
Volume
What is the main difference between a physical change and a chemical change?
A physical change does not alter the chemical composition of a substance, while a chemical change does.
Multiple Choice: Which particle carries a positive charge? A) Electron B) Neutron C) Proton D) Nucleus
C) Proton
What is the primary component of air?
Nitrogen
Fill in the blank: The process of changing from a liquid to a gas is called ______.
evaporation
True or False: In a chemical reaction, the total mass of the reactants equals the total mass of the products.
True