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Study sets matching "chemistry jc science"

29 terms
JC Science Chemistry Definitions
Alloy
Atom
Atomic number
Catalyst
A mixture of metals.
The smallest part of an element that still has the properties…
The number of protons in an atom of that element
A substance that alters the rate of a chemical reaction but i…
Alloy
A mixture of metals.
Atom
The smallest part of an element that still has the properties…
29 terms
JC Science Chemistry Definitions
Alloy
Atom
Atomic number
Catalyst
A mixture of metals.
The smallest part of an element that still has the properties…
The number of protons in an atom of that element
A substance that alters the rate of a chemical reaction but i…
Alloy
A mixture of metals.
Atom
The smallest part of an element that still has the properties…
29 terms
JC Science Chemistry Definitions
Alloy
Atom
Atomic number
Catalyst
A mixture of metals.
The smallest part of an element that still has the properties…
The number of protons in an atom of that element
A substance that alters the rate of a chemical reaction but i…
Alloy
A mixture of metals.
Atom
The smallest part of an element that still has the properties…
34 terms
jc science chemistry lab equipment
forceps
Erlenmeyer flask
beaker
crucible tongs
forceps
Erlenmeyer flask
50 terms
jc science chemistry states of matter
matter
solid
surface tension
liquid
anything that takes up space and has mass
matter with a definite shape and volume
the uneven forces acting on the particles on the surface of a…
matter with a definite volume but no definite shape
matter
anything that takes up space and has mass
solid
matter with a definite shape and volume
25 terms
jc science chemistry chapter 22 bonding
molecule
chemical bond
chemical formula
compound
The smallest unit of a substance that keeps all of the physic…
the force that holds two atoms together in a molecule
shows the elements in the compound and the ratio of atoms
a substance formed by a chemical bond between two or more ele…
molecule
The smallest unit of a substance that keeps all of the physic…
chemical bond
the force that holds two atoms together in a molecule
15 terms
JC Chemistry Periodic Table
periodic table
element
neutron
proton
A table organizing all of the known elements by atomic number…
A pure substance made of only one type of atom. Example ( O2 )
A subatomic particle that has no charge and that is found in…
A subatomic particle that has a positive charge and that is f…
periodic table
A table organizing all of the known elements by atomic number…
element
A pure substance made of only one type of atom. Example ( O2 )
41 terms
jc science chemistry atomic structure chapter 20
atom
Element
atomic structure
Particles inside an atom
the smallest particle of an element that can take part in a c…
Any substance that contains only one kind of an atom is known…
The atom is made up of: Protons( + ), Neutrons, and Electrons…
1 - Protons (+1) positive charge 1 A.M.U in nucleus... 2 - Elect…
atom
the smallest particle of an element that can take part in a c…
Element
Any substance that contains only one kind of an atom is known…
20 terms
JC Chemistry Separating Mixtures
Filtration
How does a filter paper work?
What is the liquid called that comes t…
How do you separate a liquid and a dis…
Used to separate an insoluble solid from a liquid eg sand and…
Tiny holes in the paper let dissolved particles and water par…
Filtrate
Evaporation, eg salt and water
Filtration
Used to separate an insoluble solid from a liquid eg sand and…
How does a filter paper work?
Tiny holes in the paper let dissolved particles and water par…
17 terms
JC Chemistry Acids and Bases
Acid
Acidic
Base
Blue Litmus
the ability to turn blue litmus red.
A solution whose pH is < 7.
is slippery to the touch, tastes bitter, turns red litmus pap…
An indicator that stays blue in base and goes red in acid.
Acid
the ability to turn blue litmus red.
Acidic
A solution whose pH is < 7.
14 terms
JC Chemistry Equipment
burette
Condensing tube
Pipette
Titration
central, inner tube surrounded by an outer tube with spouts f…
For measuring and moving small amounts of liquid
Process of adding small amounts of solution of unknown concen…
burette
Condensing tube
central, inner tube surrounded by an outer tube with spouts f…
17 terms
JC Chemistry Acids and Bases
Acid
Acidic
Base
Blue Litmus
the ability to turn blue litmus red.
A solution whose pH is < 7.
is slippery to the touch, tastes bitter, turns red litmus pap…
An indicator that stays blue in base and goes red in acid.
Acid
the ability to turn blue litmus red.
Acidic
A solution whose pH is < 7.
20 terms
JC Chemistry
Two or more substances mingled togethe…
What separation technique can be used…
Liquids that do NOT mix are said to be…
True or false: seawater is an example…
Mixture
Distillation
Immiscible
True
Two or more substances mingled togethe…
Mixture
What separation technique can be used…
Distillation
21 terms
jc science chemistry water hardness chapter 29
water
hard water
temporary hardness
permanent hardness
H₂O, is the universal solvent, one of the most common substan…
groundwater that has passed through limestone and dolomite co…
_________________ when water contains bicarbonates of Ca, Mg,…
____________This is caused by calcium and magnesium sulphates…
water
H₂O, is the universal solvent, one of the most common substan…
hard water
groundwater that has passed through limestone and dolomite co…
67 terms
jc science chemistry metals non metals chapter 23
Hydrogen
Carbon
Nitrogen
Oxygen
non metal under normal circumstances has metal properties app…
non metal solid conductor
non metal gas
non metal gas
Hydrogen
non metal under normal circumstances has metal properties app…
Carbon
non metal solid conductor
32 terms
jc science chemistry chapter 19 element compound mixture
air is a:... 1 element.... 2.compound... 3.mixt…
water is: ... 1 element.... 2.compound... 3.mix…
most elements are :... metals... non metals…
glucose is:... 1 element.... 2.compound... 3.mi…
3.mixture
2. compound
metals
2. compound
air is a:... 1 element.... 2.compound... 3.mixt…
3.mixture
water is: ... 1 element.... 2.compound... 3.mix…
2. compound
13 terms
JC Chemistry Solutions
A solution is
A solute is
A solvent is
Dilute solution is
is a mixture of a solute and a solvent
is a substance which is dissolved (salt, copper sulfate, sugar)
is the liquid in which the substance dissolves (water, methyl…
is one with a small amount of solute in a large amount of sol…
A solution is
is a mixture of a solute and a solvent
A solute is
is a substance which is dissolved (salt, copper sulfate, sugar)
20 terms
JC Chemistry Acids and Bases
Acids.
Alkali.
Sodium Hydroxide (NaOH)
Bases.
They turn blue litmus red.
The name given to a soluble base.
Give the name and formula of a base used in the lab.
Their pH is greater than 7.
Acids.
They turn blue litmus red.
Alkali.
The name given to a soluble base.
73 terms
JC chemistry
Melting point
Evaporation
Boiling point
Condensation
The temperature at which a solid turns into a liquid... Particle…
The changing of a liquid to a gas at the surface ... Particles g…
The temperature at which a liquid changes to a gas throughout…
The cooling of a gas to a liquid... Particles lose energy
Melting point
The temperature at which a solid turns into a liquid... Particle…
Evaporation
The changing of a liquid to a gas at the surface ... Particles g…
23 terms
JC Science Physics - Heat
Bimetallic strip
Use of bimetallic strip
Advantage of water expanding at low te…
Disadvantage of water expanding at low…
Strip made of two metals that expand at different rates causi…
Thermostat used for switching currents on and off at differen…
Fish and plant life can survive under ice
Water pipes bursting in winter
Bimetallic strip
Strip made of two metals that expand at different rates causi…
Use of bimetallic strip
Thermostat used for switching currents on and off at differen…
27 terms
JC Chemistry Atoms
Definition of an Atom
Types of sub atomic particles
How do you find the number of electron…
Where would you find the protons
An Atom is the smallest particle of an element which retains…
PROTON... NEUTRON... ELECTRON
protons must be equal to the number electrons = Atomic Number
Nucleus
Definition of an Atom
An Atom is the smallest particle of an element which retains…
Types of sub atomic particles
PROTON... NEUTRON... ELECTRON
21 terms
JC Chemistry Bonding
Definition of a molecule is
A molecule that only consists of 1 typ…
A molecule that consists of 2 or more…
What is an ionic bond
When 2 or more atoms held together by chemical bonds
Element
Compound
When electrons are transferred between atoms causing them to…
Definition of a molecule is
When 2 or more atoms held together by chemical bonds
A molecule that only consists of 1 typ…
Element
16 terms
JC Science-Plant Structure
roots
stem
leaves
flower
Absorbs water and minerals from the ground. Anchors plant in…
supports the plant and carries water and minerals throughout…
Major site of food production for the plant
part of the plant that holds seeds so more plants can grow
roots
Absorbs water and minerals from the ground. Anchors plant in…
stem
supports the plant and carries water and minerals throughout…
11 terms
JC SCIENCE: SKELETON
Functions of the skeleton
Joint
Function of muscles and joints
Tendons
To support the body, allow movement and protect the internal…
Where two bones meet
To allow movement
Joins muscle to bone
Functions of the skeleton
To support the body, allow movement and protect the internal…
Joint
Where two bones meet
17 terms
JC Science: Digestion
digestion
small molecules
physical
chemical
The process that breaks down food into small molecules that c…
Digestion breaks food down into __________ __________ that ca…
When food is chewed __________ digestion is taking place.
When food is broken down by chemical reactions __________ dig…
digestion
The process that breaks down food into small molecules that c…
small molecules
Digestion breaks food down into __________ __________ that ca…
25 terms
JC Chemistry Atmosphere
What is the percentage of carbon dioxi…
What is the percentage of Nitrogen in…
What is the percentage of Oxygen in air?
Is air a mixture or a compound?
0.04%
78%
21%
Mixture
What is the percentage of carbon dioxi…
0.04%
What is the percentage of Nitrogen in…
78%
9 terms
JC SCIENCE: SKELTON SK
Functions of the skeleton
Joint
Function of muscles and joints
Tendons
To support the body, allow movement and protect the internal…
Where bones move
To allow movement
Joins muscle to bone
Functions of the skeleton
To support the body, allow movement and protect the internal…
Joint
Where bones move
23 terms
JC Chemistry Metals Plastics and Fuels
Give 3 properties of metals
Are metals usually good conductors or…
What is an alloy?
Give an example of an alloy
Metals are :... usually shiny (lustrous). ... can be beaten into sh…
Conductors.
An alloy is a mixture of metals
Brass , Steel or Bronze
Give 3 properties of metals
Metals are :... usually shiny (lustrous). ... can be beaten into sh…
Are metals usually good conductors or…
Conductors.
10 terms
JC science 8.3
Cell cycle
Interphase
Replication
Mitosis
Series of events in which a cell grows, prepares for division…
The first stage of the cell cycle. The cell grows bigger and…
The process by which a DNA molecule makes a copy of itself.
The second stage of the cell cycle. The cell's nucleus divide…
Cell cycle
Series of events in which a cell grows, prepares for division…
Interphase
The first stage of the cell cycle. The cell grows bigger and…
10 terms
JC Science 9.1
Genetics
Gene
Alleles
Dominant Allele
The scientific study of heredity
A factor that controls a specific characteristic. for example…
Different forms of a gene
An allele whose trait always shows up in the organism when th…
Genetics
The scientific study of heredity
Gene
A factor that controls a specific characteristic. for example…
22 terms
JC Science HEAT TEMP
Heat
Temperature
Temperature is measured in
Heat is measured in
Energy that moves from hot to cold objects
A measure of the hotness of a body
Degrees celsius
Joules
Heat
Energy that moves from hot to cold objects
Temperature
A measure of the hotness of a body
41 terms
Science JC
Starch Test
Reducing Sugar test
Fat test
Protein test
Iodine
Benedicts solution
Brown paper
Biuret Reagent
Starch Test
Iodine
Reducing Sugar test
Benedicts solution
20 terms
JC Chemistry Acids and Bases 1
Acid
Acidic
Base
Blue Litmus
the ability to turn blue litmus red.
A solution whose pH is < 7.
turns red litmus paper blue
An indicator that stays blue in base and goes red in acid.
Acid
the ability to turn blue litmus red.
Acidic
A solution whose pH is < 7.
18 terms
JC Science Physics - Light
Converts light energy to heat energy
Term used for converting light energy…
Opaque
Luminous object
Solar panel
Photosynthesis
Light cannot pass through this type of object
A source that emits its own light
Converts light energy to heat energy
Solar panel
Term used for converting light energy…
Photosynthesis
76 terms
JC Science Physics Definitions
Acceleration
Acceleration formula
Alternating current
Area
The change in speed divided by the time taken for the change.
= (End speed - Start speed) ÷ Time taken. Units are m/s2
Current that constantly changes direction
The amount of surface that covers an object.
Acceleration
The change in speed divided by the time taken for the change.
Acceleration formula
= (End speed - Start speed) ÷ Time taken. Units are m/s2
16 terms
JC Science Physics Pressure
Pressure
Two ways of increasing pressure
SI unit of pressure
Pressure gauge
Force per unit area
Increase the force, decrease the area
N/m² or Pa
Measures pressure in a gas
Pressure
Force per unit area
Two ways of increasing pressure
Increase the force, decrease the area
28 terms
JC Science Physics - Light
Converts light energy to electrical en…
Converts light energy to heat energy
Term used for converting light energy…
Energy conversion taking place on the…
Solar cell
Solar panel
Photosynthesis
Nuclear energy to light and heat energy
Converts light energy to electrical en…
Solar cell
Converts light energy to heat energy
Solar panel
68 terms
JC Science Biology Definitions
Adaptation
Antagonistic pair of muscles
Antibiotic
Asexual reproduction
A structure or habit that helps an organism to survive in its…
Two muscles that carry out opposite functions.
A chemical made by bacteria and fungi that kills or prevents…
A new individual is formed from only one parent.
Adaptation
A structure or habit that helps an organism to survive in its…
Antagonistic pair of muscles
Two muscles that carry out opposite functions.
9 terms
JC Science Physics Sound
Sound
Medium
340 metres per second
Echoes
A form of energy caused by vibrations
Needed for sound to travel
Speed of sound in air
Sounds reflected from a surface
Sound
A form of energy caused by vibrations
Medium
Needed for sound to travel
11 terms
JC Science The Scientific Method
Variable
Hypothesis
Controlled Variable
Independent Variable
Something that can change in an experiment
What you think might happen in an experiment
Something that doesn't change in an experiment
Something you change in an experiment
Variable
Something that can change in an experiment
Hypothesis
What you think might happen in an experiment
17 terms
JC Science Light Key Terms
Energy
Straight lines
Reflection
Refraction
Light is a form of
Shadows show that light travels in
A wave bouncing off a surface
A wave changing direction when entering another medium is cal…
Energy
Light is a form of
Straight lines
Shadows show that light travels in
33 terms
JC Chemistry Water and Water Hardness
Water is made up of
Chemical formula for water
Type of Bonding that combines H to O i…
Test for water
Hydrogen and Oxygen
H20
Covalent
Cobalt Chloride Paper (blue to pink)
Water is made up of
Hydrogen and Oxygen
Chemical formula for water
H20
175 terms
jc science chemistry element compound mixture check list chap 19
Whole milk (straight from the cow)
blood
paper
smoke
mixture
mixture
mixture
mixture
Whole milk (straight from the cow)
mixture
blood
mixture
19 terms
JC Science Chemicals of Life
Function of carbohydrate
Types of carbohydrate
Function of protein
Function of fats
Provides energy
Sugars, fibre and starch
Growth and repair of cells
Provides energy and insulation
Function of carbohydrate
Provides energy
Types of carbohydrate
Sugars, fibre and starch
16 terms
JC Science Respiration Keywords
Respiration
Green plants
Products of respiration
Aerobic respiration
The release of energy from food
Organisms that makes their own food
Energy, carbon dioxide and water
Respiration using oxygen
Respiration
The release of energy from food
Green plants
Organisms that makes their own food
20 terms
JC Science Physics - Energy
Energy
Examples of different energies
Potential energy
Examples of potential energy
The ability to do work
Potential, kinetic, heat, light, sound, electrical, magnetic,…
The energy stored in a body
Coiled spring, water in a dam, stretched rubber band etc
Energy
The ability to do work
Examples of different energies
Potential, kinetic, heat, light, sound, electrical, magnetic,…
14 terms
Methods of Science jc
Why is it important that scientists fo…
science
hypothesis
experiment
important because scientists acquire knowledge based on EVIDE…
a process that uses OBSERVTIONS & INVESTIGATION to figure out…
educated guess or a prediction that can be tested
an organized procedure for testing hypothesis
Why is it important that scientists fo…
important because scientists acquire knowledge based on EVIDE…
science
a process that uses OBSERVTIONS & INVESTIGATION to figure out…
24 terms
JC Science Organisation of Life
Organelles
Cell Membrane
Nucleus
Cytoplasm
Parts of a cell
Controls what enters and leaves the cell
Control centre of the cell
Watery substance within the cell
Organelles
Parts of a cell
Cell Membrane
Controls what enters and leaves the cell
12 terms
JC Science Biology - Photosynthesis and Tropisms
Photosynthesis
Reactants needed for photosynthesis to…
The products of photosynthesis
Needed for photosynthesis to take place
The process by which green plants make their own food
Carbon dioxide and water
Glucose and oxygen
Chlorophyll and light
Photosynthesis
The process by which green plants make their own food
Reactants needed for photosynthesis to…
Carbon dioxide and water
41 terms
Science Quiz JC Stars
rhodopsin
stars
star colors
large, bright, easily seen stars
your eyes produce them chemical called
huge hot balls of gass/plasma
blue, red, white, yellow
Betelguese, Rigel, Bellatrix, Saiph- Orion
rhodopsin
your eyes produce them chemical called
stars
huge hot balls of gass/plasma
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