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Science > Plant Oils, Biofuels And Nanoparticles > Flashcards

Plant Oils, Biofuels And Nanoparticles Flashcards

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Biology 101 flashcards
1
Q

What plants can we extract oil from?

A 
Sunflowers 
Olives
Rape seed oil
Chia
Pine nut
Lavender 
Almond
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2
Q

Describe the pressing method for extraction

A

You put the sunflower seed for example into a motar and pestle. After you have crushed it the oil will be at the bottom, this is a smaller version of what would happen in the industry.

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3
Q

Describe the distillation process

A

The oil can be destroyed when your extracting it so you have to careful. Put the plants in water and boil the water. The water and oil will evaporate, the condenser will cool the steam that came from the oil. Then it drips down into the container, all the water and impurities are removed.

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4
Q

Name some biofuels

A

Hydrogen
Biogas- cow poo
Biodiesel-vegetable oil
Ethanol,propanol and butonol= bioalcohol

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5
Q

What does viscosity mean

A

How easily something flows

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6
Q

If something is runny does it have a HIGH VISCOSITY or LOW VISCOSITY

A

LOW VISCOSITY

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7
Q

If something is thick does it have a HIGH VISCOSITY or LOW VISCOSITY

A

HIGH VISCOSITY

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8
Q

If a substance has a HIGH viscosity what type of resistance will it have?

A

HIGH resistance, won’t pour easily

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9
Q

If a substance has a low viscosity what type of resistance will it have?

A

Week resistance, it will pour easily

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10
Q

When do you use a bar chart?

A

When you have measured in categories

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11
Q

When do you use a line chart?

A

If you have continuous data

For example- temperature or time

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12
Q

Does the independent variable go on the X or Y axis?

A

X axis

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13
Q

Does the dependant variable go on the X or Y axis?

A

Y axis

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14
Q

What does an anomaly mean?

A

An anomaly is when the result doesn’t fit with the other data and results that you have gotten

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15
Q

What is nanoscience

A

It is the science of very small particles

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16
Q

What do nanoparticles do for sunsets?

A

They make the sunset go red

17
Q

How do nanoparticles help birds?

A

It helps them navigate

18
Q

How big are skin cells?

A

30 micrometers

19
Q

What is the diameter of DNA in nanometres?

A

2 nanometres

20
Q

Why do things act different on the nanoscale?

A

Because of the amount of surface area

21
Q

If there is more surface area there is more…..

A

Area for reactions

22
Q

Are protons positively, negatively or neutral charge?

A

Positive

23
Q

Are electrons positively, negatively or neutral charge?

A

Negative charge

24
Q

Are neutrons positively, negatively or neutral charge?

A

Neutral charge

25
Q

What does mass mean?

A

The weight

26
Q

What does density mean?

A

How compact it is

27
Q

What is fermentation?

A

Sugar is mixed into water, the yeast is added to the water, alcohol is created and distilled.
Sugar+yeast=fermentation

28
Q

What is a nanoparticle?

A

A nano particle is tiny pieces of a substance, it is made up of just a few hundred atoms

29
Q

What is the diameter of a nano particle

A

Between 1 nanometres and 100 nanoparticle, you can only see them with a special microscope

30
Q

What is a compound?

A

Two or more separate elements joined together by a chemical bond

31
Q

What is a hydrocarbon?

A

It is a compound made of just carbon and hydrogen atoms. They come from crude oil by fractional distillation and can be classified into three groups.

32
Q

What does carbon neutral mean?

A

Carbon based fuels which when they are burnt doesn’t increase the level of carbon dioxide in the atmosphere.

33
Q

What is bioethanol?

A

Ethanol isn’t a hydrocarbon as it contains oxygen atoms as well as carbon and hydrogen atoms. But it is a liquid which burns well.

34
Q

How is bioethanol made?

A

Made by fermenting sugar from sugar canes, wheat and other plants.

35
Q

Name three points about using biofuels

A

More people are needed to create biofuels than petrol or diesel.
Increased income for farmers
Lower fuel prices as biofuel reduce the demand for fossil fuels bringing down the price of fuel

Science (8 decks)

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