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WorksheetsMatter
Total questions: 25
Worksheet time: 12mins
None of the above
The mass of a rock is measured with a balance. The rock is then broken into many smaller pieces and the total mass of all the pieces is measured again. Which of the following sentences about the mass is TRUE?
The mass of the rock will be greater than the total mass of the smaller pieces.
The mass of the rock will be less than the total mass of the smaller pieces.
The mass of the rock will be same as the total mass of the smaller pieces.
The mass of the rock will not be the same as the total mass of the smaller pieces.
Which of the following best represents the three states of matter?
Picture A
Picture B
Picture C
Picture D
State of matter
Plasma
Gas
Solid
Liquid
Substances are classified in Elements and (a)
Mixtures are divided in homogeneous and (a)
What mixture is an heterogeneous mixture?
Soluble coffee in water
Sand and water
Perfume
Apple juice
The mixtures where components CAN NOT be distinguished at simple sight:
Homogeneous
Heterogeneous
Homogeneous and heterogeneous
None
The Tyndall effect is used to differentiate homogeneous from heterogeneous mixtures
True
False
If the beam of a laser can be seen through the liquid, the mixture is:
Homogeneous
Heterogeneous
Choose ALL the examples of CHEMICAL PROPERTIES
Flammability
Oxidation
Radioactivity
Color
The smallest unit into which an element can be divided and still retain all the properties of that element.
molecule
element
atom
compound
A change in one of more substances, caused by a reaction that forms new and different substances.
chemical property
physical change
chemical change
physical property
A change in which the form or shape of a substance changes but the chemical makeup of the substance remains the same.
physical property
physical change
chemical property
chemical change
