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WorksheetsScience 24 - Chapter 1 Quiz
Total questions: 14
Worksheet time: 10mins
Which is an example of how chemistry and technology have helped farming?
Chemical pesticides and fertilizers help produce higher yields.
Automatic barn cleaners and feeders are used
Large tractors and cultivators allow one person to do the work of many.
all of the above
Which substance was used in making soap 100 years ago?
animal fat
coconut oil
canola oil
water
Which synthetic fibre is used to produce waterproof and windproof clothing?
cotton
canvas
Kevlar
Gore-Tex
An example of a natural fibre is
polyester
cotton
Kevlar
nylon
A molecule that is made up of many small, identical sub-molecules is a(n)
alloy
polymer
synthetic fibre
polyster
Which is an example of a natural polymer?
neoprene
polystyrene
spider web
polyethylene
The polymer used to make Styrofoam cups and insulation is
neoprene
polyethylene
polystyrene
polyurethane
Which alloy is mostly used to make kitchen utensils?
brass
iron
stainless steel
superplastic steel
What ingredient is added to bread so that it will not cook FLAT. This makes bread 'rise'
baking soda
yeast
sugar
cinnamon
A material that is Man Made is called?
Synthetic
Fake
Alloy
Silk
Which of the following jobs requires an understanding of Chemistry?
Mechanic
Cosmetologist
Construction Worker
All the Above
Early cars were made from Steel. Why do we NOT use steel for making vehicles today?
Does not last long
Is not very strong
Cannot paint the metal
It rusts very easily
