WorksheetsMatter and energy
Total questions: 12
Worksheet time: 7mins
What are the two general properties
of matter?
(a)
What is the formula for calculating the density of objects?
Volume/Mass
Mass/Volume
The ________________of matter are qualities that differentiate types of matter. These properties are things like hardness, elasticity and density.
Pure substances
General properties
Specific properties.
Pure substances are found as _______
liquids
solids
gases
solids, liquids or gases.
(a) are made up of two or more pure substances, called components.
Distillation separates mixtures of solid and liquid solutions by boiling them until the liquid evaporates.
TRUE
FALSE
Are you mixing heterogeneous or homogeneous mixtures?
-Sand with stones
-Water with oil
-A pizza
(a)
Energy changes matter. These changes can be
(a)
Changes of state occur when substances are cooled or heated.
TRUE
FALSE
____________are changes in the shape of materials when a force is exerted on them.
Expansion
Deformations
Deformations are permanent if the material returns to its original shape after the force is removed. Deformations are temporary if the material does not return to its original shape.
FALSE
TRUE
Why are most chemical changes irreversible?
