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Biology, Chemistry, and Physics > Biology, Chemistry, and Physics > Flashcards

Biology, Chemistry, and Physics Flashcards

1
Q

What is the order of making the organ system

A 
Animal/Plant Cells= Tissue
Tissue- eg. Muscle Tissue
Tissue= Make Organs
Organs- eg. Hearts, lungs, stomach
Organs= Organ System
Organ system- eg. Digestive system
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2
Q

How many bones is the body made up of

A

200

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3
Q

What are bones made up of

A

Calcium and Other minerals

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4
Q

Why are bones made up of calcium and Other Minerals

A

To make them strong and flexible

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5
Q

TRUE OR FALSE- The bone has its own supply of blood

A

True

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6
Q

What do bones do

A

Supports the body
Protect some of the vital organs
help the body move
Make blood cells

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7
Q

why cant some bones move against each other

A

Because they are rigidly connected

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8
Q

TRUE OR FALSE- Muscles are mandatory to move bones

A

TRUE

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9
Q

What do red blood cells do?

A

Carry Oxygen

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10
Q

What do white blood cells do

A

Incharge of destroying harmful microorganisms

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11
Q

What does the cartilage do?

A

Stop the bones from rubbing together if they did the bones would start to wither away this would be arthrites

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12
Q

What is the joint that allows the bones to move more?

A

Synovial Joints

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13
Q

What does synovial liquids do?

A

Keeps the cartilage wet and smooth

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14
Q

What are some of the main joints

A

Hinge joints, Ball+Socket Joint, Pivot, condyloid, saddle, gliding

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15
Q

Give a example of bones that have a Hinge Joint and the bones involved

A

Knee

Bones: Tibula, Fibula, Patella

Movement: Flexion, Extension Dorsi, Flextion

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16
Q

Give a example of bones that are in the Ball Socket Joint and what are the bones needed

A

Shoulder

Bones: Scapula Humerus, Clavicle

Movement: Flexion Extensions adduction abduction rotation circumduction

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17
Q

Give a example of bones that are in the Pivot Joint and what are the bones needed

A

Neck:

Bones: Cervicale Vertebrae, axis and axial

Movement: Rotation

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18
Q

Give a example of bones that are in the Condyloid Joint and what are the bones needed

A

Wrist

Bone: Ulna Radius Carpals

Movement: Flexion Extensions adduction abduction

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19
Q

Give a example of bones that are in the Saddle Joint and what are the bones needed

A

Thumb

Bone: Carpals Metacarpls

Movement: Flexion Extensions adduction abduction circumduction

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20
Q

Give a example of bones that are in the Glidding Joint and what are the bones needed

A

Hand

Bones: Between the carpals

Movement: Limited Movement in all direction

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21
Q

TRUE OR FALSE: Cartilage reduces friction

A

Ture

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22
Q

What lubricates the joints of the body

A

Synovial Liquid

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23
Q

What produces Synovial Liquid

A

Synovial Membrane

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24
Q

What joins the muscle to the bone

A

The tendon

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25
Q

what joins bone to bone

A

Ligament

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26
Q

How does the arm move

A

Muscles get shorter and they contract. Muscles then pull on the bone the bone will move its connected to a joint

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27
Q

What can bone sin the body do?

A 
Protection
Anchors for the muscles to attach to
Leverage
Storing Minerals
A source of blood cell production
Support Framework
Weight Bearing
Reduce Friction Across a joint
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28
Q

What are atoms joined by?

A

Chemical Bonds which use the electrons found around the nucleus

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29
Q

What are the two types of chemical bonds

A

Covalent bonds, ionic bonds

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30
Q

What is a atom made up of

A

a nucleus surrounded in smaller electrons

The nucleus is positively chard while electrons are negatively charged

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31
Q

TRUE OR FALSE- the chemical formula shows how many atoms are in each element

A

True

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32
Q

what is word balancing equations

A

Reactants —-> Products]

eg. Copper + Oxygen= copper oxide

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33
Q

TRUE OR FALSE- Are metal particles held together by strong metallic bonds

A

TRUE

34
Q

What are metal properties

A 
Shiny
Hard
heavy for there size
refuse to stretch
high melting point
good conductor of heat
35
Q

Kneed to know

A

a more reactive metal will easily displace a less reactive metal from the compound

36
Q

example of a word equation

A

Magnesium + copper sulfate —–> magnesium sulfate + copper

37
Q

what are the components of reactivity testing

A

the metal and there salts eg. magnesium sulfate and magnesium

38
Q

how do you know which metal is most reactive

A

you will do the test and the metal that has the most ticks will tell you which one is more reactive

39
Q

What is a alloy

A

a mixture of 2 elements one of which has to be a metal

40
Q

how can you tell is seething is a alloy

A

it normally has different properties then the metal it contains

41
Q

what are some examples of alloys and there metals

A

Brass is the alloy
Copper and Zinc are the Alloys
Brass Is normally used for hinges and electrical plugs

42
Q

what does it mean if a reaction is slow

A

there is a low rate of reaction

43
Q

what happens when the reaction time is fast

A

there is a high rate of reaction

44
Q

what are two ways to rate a reaction

A
  1. measure the rate at which a reactant is used up

2. Measure the rate at which a product is formed

45
Q

how to increase the reaction time

A

the temperature increase
the concentration of a dissolved reactant is increased
solid reactants are broken into smaller pieces
A catalyst is used

46
Q

why do some reactants not happen

A

because the particles did not collide

47
Q

what is the minimum energy for particles to react

A

activation energy

48
Q

How to change concentration or pressure

A

there are more reactant particles in the same volume
there is a greater chance of the particles coliding
the rate of the reaction increases

49
Q

How to change particle size

A

the surface area increased
more particles are exposed to the other reactants
there is a greater chance of the particles colliding
The rate of reaction increases

50
Q

what happens when changing the temperature

A

The reactant particle move more quickly
More particles have the activation energy or greater
the particles collided more often, and more of the collisions result in a reaction
The rate of reaction increases

51
Q

What do Catalyst do?

A

Catalyst increase the rate of reaction by lowering the activation energy needed

52
Q

Common catalyst

A

Iron- Making ammonia from nitrogen and hydrogen
Platinum- Making Ammonia from nitrogen and hydrogen
Vanadium oxide- Making Sulphuric Acid

53
Q

what is electricity

A

Electricity is a movement of electrons

54
Q

what is static charge

A

Static charge is electric charge that Is not motion

55
Q

what does not let electrons pass through

A

insulators

56
Q

what can become stronger when. iron core is placed inside

A

electromagnet

57
Q

TRUE OR FALSE- All magnets are conductors

A

TRUE

58
Q

TRUE OR FALSE- Gasses are insulators

A

TRUE

59
Q

What are 2 exampled of semi conductors

A

Silicon and Carbon

60
Q

What reduces the flow of current

A

Resistance

61
Q

TRUE OR FALSE- Transistors can act as amplifiers of electric signal

A

TRUE

62
Q

when reducing BLANK what increases the flow of current

A

resistance

63
Q

What is transferred through conduction

A

Electricity

64
Q

What turns alternating current into direct current

A

a diode

65
Q

What slows down electric current

A

A resistor

66
Q

what is the power source of a circuit

A

Voltage

67
Q

What is a flow of charges

A

Electric Current

68
Q

What is the difference between parallel and series circuits

A

more energy will be stored in parallel circuits instead of series because there are more places to go.

69
Q

What charges attract

A

Opposite eg. North and south magnets or red and blue

70
Q

TRUE OR FALSE- Conductors have a low resistance

A

True

71
Q

what type of wires offer a high resistance

A

Long and Thin

72
Q

TRUE OR FALSE- Electric fields are associated with a magnetic field

A

TRUE

73
Q

Need to know

A

Parallel circuits are good for house because one light switch is off other lights can be operated independently

74
Q

What will conduct electrons away from your body when touching it

A

Metal

75
Q

TRUE OR FALSE- Series circuits are brighter then parallel circuits

A

FALSE

76
Q

TRUE OR FALSE-Induction is the transfer of current through indirect contact

A

True

77
Q

What transfers electricity by friction

A

Rubbing

78
Q

What converts electrical energy to mechanical energy

A

Energy conversion Motor

79
Q

What does a energy conversion generator do?

A

converts mechanical energy into electrical energy

80
Q

Does the red side of one magnet connect to the red side of another magnet

A

No it connects to the opposite color

81
Q

What are two examples of objects that use electromagnets

A

Headphones and MRI Machines

82
Q

what is a 2v battery

A

a battery that gives you 2 joules of energy in every column charge

Biology, Chemistry, and Physics (1 decks)

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