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5th Grade Science GCRCT Review #3
Physical Science (30% or 1/3 of the test)
13
Science
5th Grade
04/17/2013

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Cards

Term
Any object is a _________ of its parts.
Definition
sum
Term
The mass of an object is equal to the ______________ of the mass of all its parts.
Definition
sum
Term
Some objects (cells and atoms) have parts that are too small to be seen without ______________. Scientists use ____________ and _______________ to see these objects.
Definition
magnification
magnifying glasses
microscopes
Term
What is the difference between a physi.cal change and a chemical change?
Definition
Physical changes are things that change matter from one form to another. In a physical change, NOTHING NEW IS CREATED. In a chemical change, matter changes from one form to a new form, this process CREATES SOMETHING NEW.
Term
List some evidence of a chemical change
Definition
Heat is produced that was not there before.
Light is produced that was not there before.
Fumes or smoke are produced.
The substance fizzes, changes color, or smells different.
A precipitate forms, a solid substance appears that was not there before.
Release of a gas like bubbles of carbon dioxide.
Term
Ice melting is a type of ____________ change.
Definition
physical
It is still the same type matter, it has just changed phase
Term
Paper being torn apart is a type of ____________ change.
Definition
physical
the shape and size have changed, but it is still paper
Term
Mixtures- different types of matter are mixed together like Trail Mix (nuts, raisins, and M&Ms) are a ________________ change.
Definition
physical
They are mixed together but they still retain the same properties as before. They can be easily separated by filtering, shaking or by hand.
Term
Solutions are a _____________ change.
Definition
physical
One substance is dissolved in another, the matter still retains its identity. EX Kool-aide in water.
They can be separated out, but not as easily. Evaproation of a liquid will separate our some solutions.
Term
______________ properties describe the way a substance may change or react to form a NEW SUBSTANCE.
Definition
Chemical
Term
Flammability or the ability to burn is a _______________ change.
Definition
chemical
Term
Reactivity the response of one substance to another is a _______________ change.
Definition
chemical
Term
Rusting/tarnish or the reacting with oxygen is a ______________ change.
Definition
chemical
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