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WorksheetsExploring Matter: Changes and Properties
Total questions: 16
Worksheet time: 9mins
Explain the difference between density and volume.
Density is the amount of mass per unit volume, while volume is the amount of space an object occupies.
Density is the amount of space an object occupies, while volume is the amount of mass per unit volume.
Density and volume are the same physical property.
Density is a measure of weight, while volume is a measure of height.
What is the term for a change in which a substance changes its physical appearance but not its chemical identity?
Chemical change
Physical change
Chemical reaction
Combustion
Which of the following is an example of a chemical property?
Melting point
Boiling point
Reactivity with oxygen
Color
Which of the following is an indicator of a physical change?
Formation of a gas
Change in color
Change in state
Production of heat
Which of the following is an example of a chemical reaction?
Ice melting
Water boiling
Iron rusting
Sugar dissolving in water
Which of the following best describes the process of dissolving sugar in water?
Chemical change
Physical change
Chemical property
Physical property
How does the density of a substance affect its ability to float in water?
Substances with higher density than water will float.
Substances with lower density than water will float.
Density does not affect floating.
Only gases can float in water.
Which of the following is a chemical change?
Breaking a glass
Burning wood
Cutting paper
Freezing water
Why is the ability to conduct electricity considered a physical property?
It involves a change in chemical composition.
It can be observed without changing the substance.
It results in a new substance.
It is a measure of reactivity.
THINK
A student observes that a piece of metal changes color when exposed to air. What type of change is this, and what does it indicate?
Physical change; indicates a change in state
Chemical change; indicates a reaction with oxygen
Physical change; indicates a change in temperature
Chemical change; indicates a change in density
Explain why boiling water is considered a physical change rather than a chemical change.
It involves a change in chemical composition.
It results in the formation of a new substance.
It involves a change in state but not in chemical identity.
It is irreversible.
A student observes that a liquid becomes solid when cooled. What type of change is this?
Physical change
Chemical change
Physical property
Chemical property
Describe a scenario where a chemical property of a substance is observed.
Measuring the boiling point of water
Observing the color of a metal
Noticing the flammability of gasoline
Weighing a piece of wood
Define volume in chemistry...
The area or space an object or substance occupies
How loud something is
How many books are in a series of books, example: volume 1, book 2
The difference between how much you have and what you can hold
