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What is mass?
Mass is how much matter an object has.
What is volume?
Volume is how much space an object takes up.
True or false: Hard matter is difficult to scratch.
True
Density is the relationship between the ______ and ________ of an object.
mass and volume
True or false: Brittle matter does not break easily.
False
What does does the elasticity of an object mean?
An object is elastic if it returns to its original shape after we remove a force against it,
Pure substances are made of ______ component.
one
Mixtures are made of _____ or more components.
two
What are the two kinds of mixtures?
Homogenous and heterogenous
True or false: We can identify the different parts of a homogenous mixture.
False
What are the two kinds of changes that can happen to matter?
Physical and chemical
What are the three kinds of chemical changes?
Oxidation, combustion, and fermentation
True or false: A physical change is when matter transforms into a new substance.
False
What are three kinds of forces?
Magnetic force, gravitational force, and electrostatic force
What is gravity?
Gravity is the force that pulls objects towards the Earth.
What kind of matter do magnets attract?
Certain metals
