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Difficult Science Key Words > A > Flashcards

A Flashcards

1
Q

Active transport

A

Substances move from LOW concentrations to HIGH

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2
Q

Allotropes

A

Different elements in different forms

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3
Q

Atom economy

A

Relationship between reactants and products

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4
Q

Atomic numbers

A

PROTONS in atoms nucleus

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5
Q

Batch Process

A

One batch of products is converted to converted

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6
Q

Biodiversity

A

How many different species in an area

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7
Q

Bulk chemicals

A

Needs/ manufactured in LARGE quantities

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8
Q

Capillaries

A

Exchange between cells and blood

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9
Q

Chlorophyll

A

Found in chloroplast

Photosynthesis

(3 ‘L’s = photosynthesis)

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10
Q

Community

A

Population of organisms in the same area

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11
Q

Compound

A

2+ elements

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12
Q

Concentration

A

Amount of solute in a solution

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13
Q

Conservation of mass

A

Reactants mass = product mass

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14
Q

Continuous process

A

Reactants are continually supplied

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15
Q

Diffusion

A

Spreading of particles in GAS or SOLUTION from

HIGH TO LOW

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16
Q

Distribution

A

Woo slice under a log

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17
Q

Ecosystem

A

How the different organisms INTERACT

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18
Q

Element

A

2+ atoms with same atomic number

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19
Q

Gene therapy

A

Inserting copy of gene to treat persons disorder

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20
Q

Genetically engineered

Genetically modified

A

Permanent genetic makeup change

An organism that’s been genetically engineered

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21
Q

Habit

A

Where an organism lives

E.g camel in dessert

22
Q

Hormone

A

Chemical carried in blood

23
Q

Ion

A

Atom that has gained or lost and electron

24
Q

Ionisation

A

An atom with an overall charge because the atom either has lost or gained electrons

25
Q

Isotopes

A

Atoms of same element that have different neutrons

26
Q

Mass number

A

Total number of protons and neutrons in atoms nucleus

27
Q

mRNA

A

mRNA

28
Q

Nanotubes

A

Carbon atoms in cylinder shapes

29
Q

Osmosis

A

Type of diffusion

Movement of water from HIGH water concentration to LOW

30
Q

Permeable

A

Allows substances to pass through

31
Q

Phloem

A

Vascular bundles

Food and sugars

32
Q

Photosynthesis

A

Plants use carbonhydrates from CO2 + H2O to release oxygen and glucose

33
Q

Pollutant

A

Unfilted water

34
Q

Protein synthesis

A

Building up long chain molecules from amino acids

35
Q

Protons

Neutron

Electrons

A

+1 charge

No charge

-1 charge

36
Q

Relative atomic mass

A

Ar

Av value of isotopes of the element

37
Q

Relative formula mass

A

Mr

Substance mass compared to C12

38
Q

Relative velocity

A

Velocity of one moving object to another

39
Q

Respiration

A

Living things release energy from carbohydrates

40
Q

Solute

A

Solid

41
Q

Solution

A

Mixture of solvent and solute

42
Q

Solvent

A

Liquid

43
Q

Stomata

A

Pores in plant leaf

44
Q

Structural protein

A

Protein that makes up organisms structure

45
Q

Substrate molecules

A

Substance acted upon by enzymes in chemical reaction

46
Q

Terminal speed

A

Max speed reached

Balanaced forces

47
Q

Tissue culture

A

To grow genetically identical plants from another’s meristem

48
Q

Meristem

A

Area in plant where plants can divide

49
Q

Vein

A

From : ORGAN

To : HEART

50
Q

Zonation

A

A change in species distribution

Difficult Science Key Words (1 decks)

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