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WorksheetsBJU Physical Science Ch 2 Review
Total questions: 11
Worksheet time: 5mins
What part is most of the mass of an atom?
nucleus
electron cloud
When the speed of the particles increases, the ____ increases.
speed
temperature
size
What is the solid to liquid phase change?
freezing
melting
evaporation
boiling
Physical objects are made of _____.
matter
energy
What are the building blocks of matter?
electron
matter
atom
_____ are always mixtures, but mixtures are not always ______.
solutions
mixtures
atoms
molecules
Materials can exist in more than one _____.
physical state
chemical composition
When there is a _____, a new substance forms.
physical change
chemical change
compound state
Select all the chemical properties.
flammability
mass weight
acidity
reactivity
A compound contains two or more _____.
atoms
electrons
molecules
Solutions are always _____, but _____ are not always solutions.
solutions
mixtures
atoms
molecules
