

Explaining composites
Presentation
•
Science
•
9th Grade
•
Hard
Mya Raz
Used 8+ times
FREE Resource
7 Slides • 11 Questions
1
Explaining composites

2
Workbook
Pg 38
3
Fill in the Blanks
Type answer...
4
Fill in the Blanks
Type answer...
5
Multiple Choice
Polymers are made up of
onemers
monomers
polymer
molecules
6
Multiple Choice
A polymer made in the laboratory (or industry) usually made from petrochemicals
nature polymer
natural polymer
protein
synthetic polymer
7
Multiple Choice
8
Multiple Choice
9
Composites
formed when two or more materials often with different pproperties are combined.
not chemically combined
10
Egyptians
mud+ straw - stronger & more durable
11
Archery bows
12
Concrete
Cement (limestone + clay = heated to over 700 degree C )
+
Sand
+
water
+ gravel
13
Composites are made of
matrix /binder
and
reinforcement (usually fibres, crystals or fragments)
14
Multiple Choice
Composites always have at least a ______ and a _______
structure and tensile strength
matrix and structure
tensile strength and reinforcement
matrix and reinforcement
15
Multiple Choice
what is reinforcement
fibers or particles that give the composites strength,stiffness and density
a composite with different sets of properties than its constituent materials
decrease in cracking by distributing stress evenly
fillers added to save money or modify properties
16
Multiple Choice
What is the binder and reinforcement found in bones.
binder= collagen; reinforcement= calcium phosphate
binder= calcium phosphate; reinforcement= collagen
17
Multiple Choice
What is the binder and reinforcement found in bones.
binder= collagen; reinforcement= calcium phosphate
binder= calcium phosphate; reinforcement= collagen
18
Multiple Choice
What is the definition of a composite?
Composites are when you weld two or more metals together to form a new type of metal.
Composites are a combination of two or more materials that are bonded together to improve their mechanical or physical properties.
Composites are when you take 2 or more metals and fuse them through melting.
Composites are when you take 2 or more matrix and mix them to create a new material.
Explaining composites

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