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21 questions
Synthetics are defined as
made by nature
man made through a chemical process
Synthetics have both positive and negative impacts on society.
TRUE
FALSE
Natural resources are
found in nature
used to create synthetics
made by man
important to be used responsibly
Paper is made from the natural resource- trees.
True
False
Which is NOT a natural resource?
Water
Plant
Animals
Plastic
Which item is NOT synthetic?
Plastic water bottle
Paper
Stapler
Nylon
Can we run out of plastic?
No, because we will always have plenty.
Yes. If we were to run out of oil, which plastic is made from.
How long does it take oil to form?
hundreds of years
thousands of years
millions of years
A positive impact of synthetics on society is
convenience (ex. diapers)
very expensive
useless
it causes pollution and trash in the oceans.
A NEGATIVE impact of synthetics on society is
pollution
convenience
cleanliness
Molecules always move from a _______________ region to a ________________ region.
colder to hotter
warmer to colder
cool to coldest
warm to hottest
Which heat transfer involves direct contact?
Convection
Conduction
Radiation
Which heat transfer involves warmer temperatures rising and cooler temperatures sinking.
Convection
Conduction
Radiation
When thermal energy in substances continue to transfer until the same temperature is reached this is called
thermal balance
thermal rest
thermal equity
thermal equilibrium
Insulators transfer the flow of heat.
true
false
Select below which examples are conductors.
styrofoam cup
metal pot
winter coat
air
copper wiring
Select below which are insulators.
Copper wiring
Winter coat
Styrofoam cup
Air
Metal pot
Synthetic materials such as plastics are made from:
Natural resources like oil and coal.
natural resources and synthetic materials.
made from synthetic materials.
made from polymers.
Which materials make a good conductor?
woods
plastics
clothes
most metals
What are some examples of insulators?
silver, iron, cooper
metal spoon, penny, aluminum
rubber, glass, wood
gold, wire, nails
______________ are materials that RESIST the flow of heat or thermal energy.
Conductors
Insulators
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