WorksheetsGluing it All Together
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
Which of the following was the first commercial glue, created around 1750?
a)
Fish
b)
Starch
c)
Rubber
d)
Petroleum
2.
What is casein?
a)
The protein in milk
b)
The protein in vinegar
3.
When making casein glue, the milk separates into curds and whey.
a)
True
b)
False
4.
When mixing vinegar with milk, the milk will separate into curds and whey.
a)
True
b)
False
5.
Which of the following is NOT considered to be one of the earliest adhesives?
a)
Bitumen
b)
Beeswax
c)
Tar
d)
Honey
6.
What is the technical name for super glue?
a)
Cyanoacrylate
b)
Polyvinyl acetate
c)
Phenol formaldehyde
d)
Ethylene vinyl acetate
7.
Adhesion describes glue sticking to itself.
a)
True
b)
False
8.
What are Van der Waals Forces?
a)
The force that holds glue to its bonding materials
b)
The force that holds glue to itself
c)
The force the holds glue to paper only
d)
The force that holds glue to wood only
9.
What characteristic of the molecule is important for Van der Waals Forces to be effective in bonding?
a)
The molecule should be polarized–a positive end and a negative end
b)
There should be more than one type of molecule
c)
Both molecules should have the same polarization
d)
Both molecules need to attach at the atomic level
10.
What two things does super glue need to cure?
a)
Water and air
b)
Water and dust
c)
Air and heat
d)
Water and heat
11.
What are setae?
a)
The tiny hairs on the feet of geckos
b)
The tiny hairs on the feet of iguanas
c)
The proteins that connect glue to objects
d)
The casein glue created in class
12.
What was the problem we were trying to define in this lab?
a)
Which homemade glue is better at bonding to different subbstrates
b)
Which substrate is the best at being held together by different glues
c)
How many pennies can each substrate hold
13.
How did you generate concepts in this lab?
a)
By researching glues used in the past
b)
By making it up as we go
c)
By testing the glues on the substrates
14.
Why doesn't glue stick to the inside of its tube?
a)
Because it needs water and air to bond
b)
Because there is a special coating inside each container
c)
Because there are no molecules inside the tube
d)
Because Harry Potter casts a spell causing it to not stick
100 %
