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WorksheetsStates of Matter Test Review
Total questions: 56
Worksheet time: 28mins
Which state of matter has a definite shape and volume?
Solid
Liquid
Gas
Plasma
What best describes the motion of particles in a gas?
Vibrating slowly in place
Sliding past one another
Moving freely and rapidly
Stationary
Which of the following changes would result in a gas becoming a liquid?
Increase in temperature
Decrease in temperature
Increase in volume
Decrease in pressure
What happens to the kinetic energy of particles when a liquid is heated?
It decreases
It remains the same
It increases
It stops entirely
A student finds that a substance keeps its shape and cannot be compressed easily. What state of matter is this substance in?
Solid
Liquid
Gas
Plasma
How does the arrangement of particles in a liquid compare to that of a solid?
More tightly packed and rigid
Completely free and spaced apart
Loosely packed and can slide past each other
Fixed in position with no movement
Which of the following best explains why gases can fill a container of any shape?
Gases have strong intermolecular forces
Gases are made of tightly packed particles
Gas particles move freely and independently
Gas particles are denser than solids
Which state of matter has particles with the highest kinetic energy?
Solid
Liquid
Gas
A sealed balloon is placed in the freezer. What happens to the gas particles inside?
They gain energy and move faster
They lose energy and slow down
They disappear
They become more spaced out
A solid is heated until it becomes a liquid. Which statement best explains this change?
The particles are destroyed and new ones are formed
The particles gain energy and begin to slide past one another
The particles lose energy and vibrate less
The particles become stationary
Which of the following is a pure substance?
Saltwater
Salad
Aluminum foil
Trail mix
Which mixture is homogeneous?
Ice water with lemon slices
A chocolate chip cookie
Vinegar and water
Cereal in milk
A student stirs sugar into hot tea until it dissolves completely. What type of mixture is this?
Heterogeneous
Compound
Pure substance
Solution
Which best describes a heterogeneous mixture?
A mixture that looks the same throughout
A mixture with visibly different parts
A chemically bonded substance
A mixture of gases only
Which item below is a mixture and not a pure substance?
Iron nail
Table salt
Orange juice with pulp
Copper wire
What physical property helps identify a solution?
It separates easily
It has visibly different parts
It appears uniform throughout
It reacts chemically
What best explains why a glass of soda is a homogeneous mixture?
It contains bubbles
It is a pure substance
It looks the same throughout
It contains solids
What do pure substances and homogeneous mixtures have in common?
They are chemically combined
They have a uniform appearance
They contain multiple phases
They are always liquids
Which of these can be easily separated by filtration?
Salt water
Kool-Aid
Trail mix
Air
Which statement about mixtures is true?
All mixtures are solutions
Mixtures can be separated physically
Mixtures form new substances
All mixtures are heterogeneous
Which of the following is a nonmetal?
Gold (Au)
Oxygen (O)
Aluminum (Al)
Silicon (Si)
Metalloids have properties of —
only metals
only nonmetals
both metals and nonmetals
rare Earth elements
Which of these is a property of metals?
Brittle
Dull
Good conductor of heat and electricity
Poor conductor of electricity
Which of the following elements is used in computer chips because of its semi-conductive properties?
Neon
Silicon
Iron
Oxygen
What do most metals have in common?
They are gases at room temperature
They are not reactive
They are shiny, malleable, and conduct electricity
They break easily
Rare Earth elements are important in which modern technology?
Books
Magnets and electronics
Plants
Fossil fuels
Which element is correctly classified as a metalloid?
Copper (Cu)
Silicon (Si)
Iron (Fe)
Oxygen (O)
Which of the following elements is most likely to be a good electrical insulator?
Gold (Au)
Argon (Ar)
Silver (Ag)
Copper (Cu)
A student says that an element is shiny and conducts electricity. What kind of element is it most likely to be?
Nonmetal
Metalloid
Metal
Rare Earth
Why are nonmetals essential to life?
They can be bent and shaped
They are found only in outer space
Many are gases involved in respiration and photosynthesis
They conduct electricity well
Which of the following best describes metalloids?
Always gases at room temperature
Have properties of both metals and nonmetals
Are always shiny and conductive
Are found only in the Earth's crust
Which element would be the best choice for building a wire to conduct electricity?
Sulfur
Silicon
Copper
Carbon
What physical property would you test to identify a metal?
Color
Ability to rust
Electrical conductivity
Reactivity with acid
Which physical property is most helpful in distinguishing a nonmetal from a metal?
Texture
Luster
Melting point
Solubility in water
A student describes a substance that is dull, brittle, and does not conduct electricity. What type of element is the student most likely describing?
Metal
Metalloid
Nonmetal
A student places a wooden block in water, and it floats. Then they place a metal block of the same size in the water, and it sinks. What can the student conclude about the metal block’s density compared to water?
It is equal to water’s density
It is less than water’s density
It is greater than water’s density
It has no density
A scientist combines two substances in a test tube. The mixture bubbles, releases heat, and forms a yellow solid. What most likely occurred?
A physical change
A chemical change
A change of state
A mixture formation
Students compare a bottle of oil and a bottle of water. The oil floats on top of the water. Which statement best explains why?
Water has more mass than oil
Oil has a lower density than water
Oil is a mixture
Water is a solid
A student heats a solid until it becomes a liquid, then continues heating it until it becomes a gas. What pattern is observed in the particle movement?
Particles lose kinetic energy
Particles move closer together
Particles move faster and spread apart
Particles stop moving
Which of the following objects will float in water (density = 1 g/cm³)?
An object with a density of 0.7 g/cm³
An object with a density of 1.2 g/cm³
An object with a density of 2.5 g/cm³
An object with a density of 3.0 g/cm³
If two different objects have the same volume but different masses, which has the greater density?
The one with more volume
The one with more mass
The one with less mass
Both have the same density
Why does oil float on water?
Oil has a greater mass
Oil has a higher density
Oil has a lower density
Oil and water have the same density
A student has a block with a density of 5 g/cm³. If the block is cut in half, what is the density of each piece?
10 g/cm³
5 g/cm³
2.5 g/cm³
1 g/cm³
Which measurement would you need to find the density of a rock?
Temperature and volume
Volume and shape
Mass and volume
Texture and shape
What happens to the density of an object if its mass increases but volume stays the same?
Density decreases
Density stays the same
Density increases
Volume increases too
If an object sinks in water, what can you conclude about its density?
Less than 1 g/cm³
Greater than 1 g/cm³
Equal to 1 g/cm³
Which of the following best describes density?
The weight of an object
The amount of space an object takes up
The amount of matter in a given space
The force of gravity on an object
An object will float in water if its density is —
Greater than 1 g/mL
Equal to 1 g/mL
Less than 1 g/mL
Equal to its volume
Which tool would you use to measure the volume of an irregularly shaped object?
Balance
Ruler
Graduated cylinder
Thermometer
What is the formula used to calculate density?
Density = Mass + Volume
Density = Mass ÷ Volume
Density = Volume ÷ Mass
Density = Weight ÷ Gravity
A liquid has a density of 0.9 g/mL. What will happen if you pour it into a container of water?
It will sink
It will dissolve
It will float
It will turn into a solid
Which statement correctly compares two blocks of different materials but equal volume?
The heavier block is less dense
The block with less mass is denser
The block with more mass is denser
They must have the same density
Why is density considered a physical property?
It changes the chemical structure
It is only observable during reactions
It can be measured without changing the substance
It is not measurable
When a gas changes into a liquid, it is called ________________.
evaporation
condensation
melting
freezing
A student stirred a teaspoon of sugar into hot tea and another into cold tea. The sugar in the hot tea dissolved faster. Why?
Hot tea liquid particles have more KE and collide more often.
Hot tea liquid particles have more KE and collide less
Cold tea particles have more KE and collide more
it does not matter if something is hot or cold
