Matter

Multiple Choice
Identify the choice that best completes the statement or answers the question.

____	1.	Apple juice is an example of a(n)
a.	compound.	c.	homogeneous mixture.	
b.	heterogeneous mixture.	d.	colloid.	

____	2.	If two samples of a substance have exactly the same physical and chemical properties, the samples are probably
a.	mixtures.	c.	colloids.	
b.	suspensions.	d.	pure substances.	

____	3.	A physical property that is a measure of the amount of matter in an object is
a.	mass.	c.	density.	
b.	volume.	d.	weight.	

____	4.	The ability of two substances to react and form a new substance such as carbon dioxide is a(n)
a.	physical property.	c.	chemical property.	
b.	pure substance.	d.	suspension.	

____	5.	The production of heat when two substances are mixed might indicate that
a.	a physical change is occurring.	c.	photosynthesis is occurring.	
b.	a chemical change is occurring.	d.	matter is being destroyed.	

____	6.	An example of a physical change is
a.	making metal.	
b.	vinegar and baking soda mixing to form carbon dioxide.	
c.	an organism aging.	
d.	water freezing into ice.	

____	7.	Chemical changes occur during
a.	the process of making sugar.	
b.	a landslide.	
c.	digestion.	
d.	the separation of sulfur and sodium chloride.	

____	8.	Which statement is correct?
a.	Neither physical nor chemical changes are reversible.	
b.	Physical changes are not reversible.	
c.	All chemical changes are reversible.	
d.	Most chemical changes are not reversible.	

____	9.	The chemical changes that occur when your body uses sugar
a.	obey the law of conservation of mass.	
b.	cause new matter to be created.	
c.	are an exception to the law of conservation of mass.	
d.	are not affected by the law of conservation of mass.	

____	10.	The change of state from liquid to gas is called
a.	freezing.	c.	condensation	
b.	melting.	d.	evaporation.	

____	11.	Ninety-nine percent of the matter in the universe is
a.	solid.	c.	gas.	
b.	liquid.	d.	plasma	

____	12.	A way to increase the pressure of a gas in a container that cannot expand is to
a.	decrease the temperature.	c.	increase the temperature.	
b.	take air out.	d.	burst the container.	

____	13.	Why are the particles in matter always moving?
a.	because they have energy	c.	because of their mass	
b.	because they are being pushed	d.	because of gravity	

____	14.	A mixture in which particles eventually separate and settle out is a(n)
a.	solution.	c.	suspension.	
b.	colloid.	d.	homogeneous mixture.	

____	15.	A state of matter with a definite volume but no definite shape is a(n)
a.	solid.	c.	gas.	
b.	liquid.	d.	plasma.	

____	16.	Producing water from hydrogen and oxygen gases is an example of a(n)
a.	reversible physical change.	c.	reversible chemical change.	
b.	irreversible physical change.	d.	irreversible chemical change.	

____	17.	The sun is
a.	solid.	c.	gas.	
b.	liquid.	d.	plasma.	

____	18.	An example of a chemical property is
a.	boiling point.	c.	flammability.	
b.	density.	d.	volume.	

____	19.	What would you find if you tested the melting point of several samples of salt?
a.	The melting points would all be the same.	
b.	The melting points might be the same.	
c.	The melting points would all be different.	
d.	It is impossible to predict the result.	

____	20.	The production of light when two substances are mixed might indicate that
a.	photosynthesis is occurring.	c.	a chemical change is occurring.	
b.	a physical change is occurring.	d.	matter is being created.	

____	21.	What results from the fact that particles in matter have energy?
a.	The particles sometimes move.	c.	The particles stay rigid in all states.	
b.	You can see the particles move.	d.	The particles are always in motion.	

____	22.	What would result from increasing the temperature of a gas in a container that cannot expand?
a.	The volume of the gas would increase.	c.	The pressure of the gas would increase.	
b.	The volume of the gas would decrease.	d.	The pressure of the gas would decrease.	

____	23.	The chemical changes that occur during photosynthesis
a.	cause new matter to be created.	
b.	are an exception to the law of conservation of mass.	
c.	obey the law of conservation of mass.	
d.	are not affected by the law of conservation of mass.	

____	24.	How do the particles of a gas differ from the particles of a liquid?
a.	They are larger.	c.	They are closer together.	
b.	They are smaller.	d.	They are more spread out.	

____	25.	The particles known as the building blocks of matter are
a.	molecules.	c.	atoms.	
b.	elements.	d.	compounds.	

____	26.	Evaporation is what occurs when
a.	a gas becomes a liquid.	c.	a solid becomes a liquid.	
b.	a liquid becomes a gas.	d.	a gas becomes plasma.	

____	27.	What is a property of matter that describes a substance’s ability to participate in chemical reactions?
a.	a physical property	c.	density	
b.	conductivity	d.	a chemical property	

____	28.	Clouds are an example of a(n)
a.	colloid.	c.	suspension.	
b.	solution.	d.	compound.	

____	29.	Less helium would be needed to fill a balloon on a(n)
a.	humid day.	c.	hot day.	
b.	cold day.	d.	rainy day.	

____	30.	The physical property that is a measure of the amount of space matter occupies is
a.	weight.	c.	volume.	
b.	mass.	d.	density.	

____	31.	What determines the speed at which a particle of matter moves?
a.	whether it is in a compound or a mixture	
b.	how much energy it has	
c.	what its volume is	
d.	whether it has undergone a chemical change	

____	32.	Matter is anything that has mass and
a.	contains atoms.	c.	can change form.	
b.	is a pure substance.	d.	takes up space.	

____	33.	An example of a chemical property is
a.	density.	c.	boiling point.	
b.	malleability.	d.	reactivity.	

____	34.	When a carbon atom bonds with an oxygen molecule to produce carbon dioxide, what has occurred?
a.	a physical change	c.	a heterogeneous mixture	
b.	a chemical change	d.	a change of state	

____	35.	What is the form of 99% of the matter in the universe?
a.	gas	c.	plasma	
b.	liquid	d.	solid	

____	36.	If you tested two samples of a pure substance, what would you find?
a.	different chemical properties	
b.	the same properties as a mixture	
c.	different physical properties	
d.	the same physical and chemical properties	

____	37.	What kind of change can cause heat when you mix two substances?
a.	physical change	c.	natural change	
b.	chemical change	d.	industrial change	

____	38.	What is an example of a chemical property?
a.	boiling point	c.	reactivity	
b.	density	d.	volume	

____	39.	What is a substance that has only one type of atom called?
a.	a molecule	c.	a pure substance	
b.	an element	d.	matter	

____	40.	Why do particles in all matter move?
a.	They are molecules.	c.	They have energy.	
b.	They are gases.	d.	They are elements.	

____	41.	What is one chemical change that is reversible?
a.	a pizza being eaten	
b.	water changing to hydrogen and oxygen	
c.	wood burning	
d.	food rotting	

____	42.	How do the particles of a gas differ from the particles of a liquid?
a.	They are farther apart.	c.	They are closer together.	
b.	They are smaller.	d.	They are larger.	

____	43.	When would more helium be needed to fill a balloon?
a.	on a warm day	c.	on a cool day	
b.	on a rainy day	d.	on a hot day	

____	44.	What is the word for anything that has mass and takes up space?
a.	atom	c.	universe	
b.	matter	d.	air	

____	45.	Iron metal can react with oxygen and moisture in the air to form rust. Why is this change considered a chemical change?
a.	The formation of rust adds mass to the iron metal.	
b.	Oxygen reacts with the iron metal to form a new compound.	
c.	Rust changes the texture of the iron metal.	
d.	Rust eats away at the iron metal, which loses volume as a result.	

____	46.	Bromine is the only nonmetallic element that is a liquid at room temperature. The reddish-brown liquid evaporates easily, which results in clouds of red-brown bromine gas. Which of the following statements about the bromine molecules is true?
a.	The gas molecules are larger than the liquid molecules.	
b.	The liquid molecules are in fixed positions, and the gas molecules are not.	
c.	There is more space between gas molecules than between liquid molecules.	
d.	The liquid molecules have more energy than the gas molecules have.	

____	47.	A property of matter where a substance can be hammered into a shape is called
a.	hammerability	c.	malleability	
b.	ductility	d.	conductivity	

____	48.	A property of matter where heat flows from a warm area to a cold area is called
a.	malleability	c.	thermomotion	
b.	conductivity	d.	ductility	

____	49.	A property of matter where a material can be drawn into thin strands, like wire, is called 
a.	malleability	c.	ductility	
b.	conductivity	d.	strandification	

____	50.	The formula for density is
a.	d=m/v	c.	d=mm/v	
b.	d=mL/v	d.	d=v/m	

____	51.	The substance that gets dissolved in a solution is called a
a.	solute	c.	solutant	
b.	solvent	d.	dissolution	

____	52.	Saturation is a point where a material can not hold any more
a.	acid	c.	solute	
b.	base	d.	weight	

Matching

Match each item with the correct statement below.
a.	matter	d.	element	
b.	compound	e.	mixture	
c.	atom	

____	53.	matter that contains two or more pure substances

____	54.	substance made of atoms of two or more different elements joined by chemical bonds

Match each item with the correct statement below.
a.	plasma	c.	gas	
b.	solid	d.	liquid	

____	55.	state of matter that forms if enough energy is added to a gas

Match each item with the correct statement below.
a.	compound	d.	element	
b.	matter	e.	mixture	
c.	pure substance	

____	56.	matter that consists of one type of atom or one type of molecule

____	57.	matter that contains two or more substances not chemically combined

____	58.	substance made of atoms of two or more different elements joined by chemical bonds

____	59.	anything that has mass and takes up space

Match each item with the correct statement below.
a.	mass	c.	pressure	
b.	volume	d.	density	

____	60.	the measure of the amount of space that matter occupies

____	61.	the mass of an object per unit volume

Match each item with the correct statement below.
a.	density	c.	volume	
b.	mass	d.	weight	

____	62.	the measure of the force of gravity on an object

____	63.	a measure of the amount of matter in an object

Match each item with the correct statement below.
a.	condensing	c.	freezing	
b.	change of state	

____	64.	the changing of a liquid into a solid by cooling

____	65.	the changing of a gas into a liquid by cooling