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Knowledge Organiser > Science > Flashcards

Science Flashcards

1
Q

Name a square frame used in biological sampling?

A

Quadrant

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2
Q

Name a line along which systematic sampling occurs?

A

Transect

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3
Q

Name any organism that photosynthesises at the start of a food chain?

A

Producer

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4
Q

What is the scientific name for burning?

A

Combustion

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5
Q

Name an organism in a food chain which consumes other organisms?

A

Consumer

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6
Q

Rain, sleet, snow, and hail are all examples of…?

A

Precipitation

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7
Q

Describe a change of state from liquid to a gas?

A

Evaporation

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8
Q

What is the variety of living organisms in an area called?

A

Biodiversity

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9
Q

Name a type of precipitation that is acidic due to air pollution?

A

Acid Rain

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10
Q

What name is given to clearing trees from an area which will then be used for other purposes?

A

Deforestation

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11
Q

Name a conservation method in zoos to breed captive animals together to increase numbers and the gene pool?

A

Breeding Programme

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12
Q

What is the total number of all organisms of the same species in an area?

A

Population

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13
Q

What is a group of different species living in the same area called?

A

Community

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14
Q

What is the contest between organisms for resources such as food and shelter?

A

Competition

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15
Q

Name the term that describes how species depend on one another?

A

Interdependence

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16
Q

What are the non-living parts of the environment called?

A

Abiotic Factors

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17
Q

What are the living parts of the environment called?

A

Biotic Factors

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18
Q

What is an organism that is not native to the environment?

A

Invasive Species

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19
Q

Describe the interaction between a community of living organisms and the nonliving components?

A

Ecosystem

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19
Q

A type of adaption based on physical features such as body shape?

A

Structural Adaptation

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20
Q

What is the minimum energy particles must have to react?

A

Activation energy

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21
Q

What is a substance that lowers activation energy and provides an alternate pathway?

A

Catalyst

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22
Q

Name molecules that act as catalysts in biological systems?

A

Enzymes

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23
Q

Name a system where substances cannot escape or enter?

A

Closed system

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24
Q

The term used to describe the forward and reverse reaction happening at the same rate?

A

Dynamic Equilibrium

25
Q

Name a line drawn on a curve to identify the gradient?

A

Tangent

26
Q

Name a piece of equipment used to collect gas products?

A

Gas syringe

27
Q

Name an upside down piece of equipment used to measure gas production?

A

Inverted measuring cylinder

28
Q

Name the store of energy found in moving objects?

A

Kinetic energy

29
Q

What is the force acting over an area as a result of collisions between particles and the walls of their container?

A

Pressure

30
Q

What is the number of particles dissolved in a solvent called?

A

Concentration

31
Q

Name a substance with a very high surface area

A

Powder

32
Q

What is the formula to calculate the volume of a regular object?

A

B x H x L

33
Q

What is calculated from: Values added/ Total number of values?

A

Mean

34
Q

Describe a straight section on a graph?

A

Linear

35
Q

Describe a curved section on a graph?

A

Non-linear

36
Q

Describe a graph which shows a linear relationship but does not go through the origin

A

Proportional

37
Q

Describe a graph which shows a linear relationship and passes through the origin (0)?

A

Directly Proportional

38
Q

Describe a graph which shows that when one variable increases, the other variable decreases, or vice versa?

A

Inversely Proportional

39
Q

Name a piece of glassware that can be used for reacting chemicals together safely?

A

Conical Flask

40
Q

What is the maintenance of a constant internal environment?

A

Homeostasis

41
Q

Always a muscle or gland?

A

Effector

42
Q

The brain and the spine are part of the …?

A

Central Nervous System

43
Q

Name a group of cells which detect a stimulus and trigger electrical impulses?

A

Receptor

44
Q

Name a neuron that carries electrical impulses to the central nervous system?

A

Sensory Neurone

45
Q

Name a neuron that carries electrical impulses within the central nervous system?

A

Relay Neurone

46
Q

Name a neurone that carries electrical impulses away from the central nervous system to the effector?

A

Motor Neurone

47
Q

Name the gap between neurons?

A

Synapse

48
Q

Name an automatic response that you do not think about?

A

Reflex Response

49
Q

Name the pathway of neurons in a reflex action?

A

Reflex Action

50
Q

Name a structure in the body that releases hormones?

A

Gland

51
Q

Name the master gland that affects other glands in the body?

A

Pituitary Gland

52
Q

Name a hormone that lowers blood glucose?

A

Insulin

53
Q

Name a storage form of glucose stored in the liver?

A

Glycogen

54
Q

Name a medical condition diagnosed in young people who do not purpose insulin?

A

Type 1 Diabetes

55
Q

Name a medical condition diagnosed later in life preventing the person responding to insulin?

A

Type 2 Diabetes

56
Q

Name a female sex hormone produced in the ovaries?

A

Oestrogen

57
Q

Name a male sex hormone produced in the testes that controls puberty?

A

Testosterone

58
Q

Name a process that causes the release of an egg from an ovary?

A

Ovulation

59
Q

Name a method of contraception that prevents sperm from reaching an egg?

A

Barrier

Knowledge Organiser (6 decks)

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