SEPARATING SUBSTANCES
Hope A leaxaner
Antonia kelly
Mod 3
March 18, 2014
Objective
Cite evidence to support the fact that some
substance can be separated into the original substances
form which they were made.
KEY VOCABULARY WORDS
:SUBSTANCE:
1.a particular kind of matter with uniform properties.
"a steel tube coated with a waxy substance"
2.
the real physical matter of which a person or thing consists and which has a tangible, solid presence.
"proteins compose much of the actual substance of the body"
PICTUREQUESTIONS
1. what is the need of separation substances?
2. how can substances in a mixture be separated?
3. why do we need to separate different components of a mixture?
Answers
1.It is important to separate and purify substances so that: 1.we can get them in their pure form.
2. A magnet can be used to separate a magnetic substance from a non-magnetic one.
3. A mixture may contain one or more unwanted substances which may be harmful.