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Worksheetsmatter and its changes
Total questions: 25
Worksheet time: 2hrs 5mins
Which of the following is a characteristic of a solid?
No definite shape
Definite volume
Particles are far apart
Takes the shape of the container
Which state of matter takes the shape of its container but has a definite volume?
Solid
Liquid
Gas
Plasma
In which state of matter do particles move freely and spread out to fill the entire container?
Solid
Liquid
Gas
Plasma
What happens to the particles in a solid when it is heated and becomes a liquid?
They move faster and spread apart
They stay in place
They become stationary
They move closer together
Which of the following is an example of a compound?
Gold
Oxygen
Water
Iron
What happens during evaporation?
A gas turns into a liquid
A solid turns into a liquid
A liquid turns into a gas
A gas turns into a solid
Which process describes a solid turning directly into a gas?
Melting
Freezing
Sublimation
Condensation
When a gas cools down and becomes a liquid, what is this process called?
Condensation
Evaporation
Melting
Freezing
What is an example of a homogeneous mixture?
Fruit salad
Saltwater
Sand and water
Soil
Which of the following is a sign of a chemical change?
A solid turns into a liquid
A color change occurs
The substance remains the same
The shape changes but the substance stays the same
What is the term for a substance that cannot be broken down into simpler substances?
Compound
Mixture
Element
Solution
What is an example of a physical change?
Wood burning
Ice melting
Iron rusting
Baking a cake
Which of the following best describes a compound?
A mixture of substances
A substance made of two or more elements chemically bonded
A single element
A physical combination of two substances
What is a characteristic of a heterogeneous mixture?
It has a uniform composition throughout
It cannot be separated by physical means
Its components can be easily distinguished
It is made of a single element
What is the process called when a liquid turns into a solid?
Evaporation
Condensation
Melting
Freezing
Which of the following is an example of a chemical change?
Melting ice
Cutting paper
Burning wood
Breaking glass
Which one is the correct statement?
Physical changes form new substances
Chemical changes only change the state of matter
Chemical changes produce new substances
Physical changes cannot be reversed
What type of mixture is salt water?
Compound
Homogeneous mixture
Heterogeneous mixture
Element
Which of the following is true about elements?
They are made of different types of atoms
They can be separated into simpler substances
They are pure substances made of one type of atom
They are always compounds
What is an example of a mixture?
Carbon dioxide
Saltwater
Hydrogen
Gold
Which state of matter has no definite shape or volume?
Solid
Liquid
Gas
Plasma
What happens to particles during melting?
They slow down and move closer together
They break free from their fixed positions
They become tightly packed
They stop moving
What is a precipitate in a chemical reaction?
A color change in the reaction
A solid that forms from a solution during a reaction
The formation of bubbles
A gas that is released during a reaction
Which of the following shows that a chemical reaction has taken place?
A liquid changes to a gas
Two substances mix but remain separate
A new substance with different properties forms
A solid turns into a liquid without changing its identity
How does a submarine control its ability to float or sink?
By changing the speed of the submarine
By adjusting the amount of air in its engines
By adjusting the amount of water in its ballast tanks
By changing the shape of the submarine
