Study sets matching "exam jc science"

Study sets
Classes
Users

Study sets matching "exam jc science"

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…
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…
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
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
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…
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…
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…
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…
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
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
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.
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
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
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.
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
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
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
Biology Terms (JC science)
Nutrition
Respiration
Excretion
Reproduction
The way an organism gets its food
The release of energy from food
The removal of waste matter from the body
The formation of new organisms
Nutrition
The way an organism gets its food
Respiration
The release of energy from food
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
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,…
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
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
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
19 terms
JC Science Biology - The Cell and Microscope
Cells
Cell membrane
Cytoplasm
Nucleus
Basic building block of all living things
Protects the cell and controls what enters and leaves it
Watery substance containing proteins and sugars
Controls the cell
Cells
Basic building block of all living things
Cell membrane
Protects the cell and controls what enters and leaves it
81 terms
Science Key Terms (JC)
Element
Compound
Mixture
Solvent
a substance that cannot be split up into simpler substances b…
a substance that is made of two or more different elements co…
two or more different substances mingled together but not che…
a substance that dissolves other materials to form a solution
Element
a substance that cannot be split up into simpler substances b…
Compound
a substance that is made of two or more different elements co…
Science Jc Biology Definitions
7 Characteristics of living things
Tissue
Organ
System
Feeding,Respiration,Movement,Sensitivity,Growth,Reproduction,…
Similar cells doing the same job eg muscle, blood, skin
Group of tissues working together eg lung, heat and kidney
Group of organs working together eg Digestive, Respiratory
7 Characteristics of living things
Feeding,Respiration,Movement,Sensitivity,Growth,Reproduction,…
Tissue
Similar cells doing the same job eg muscle, blood, skin
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
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…
Science JC [Ecology]
Ecology
Habitat
Ecosystem
Producers
Ecology is the study of how living things interact with each…
Where an organism lives
The habitat and its community of different plants and animals.
Producers make their own food e.g plants
Ecology
Ecology is the study of how living things interact with each…
Habitat
Where an organism lives
Physics Terms (JC Science)
Length
Mass
Volume
Density
The straight line distance between two points
The amount of matter an object contains
How much space an object takes up
Mass divided by volume
Length
The straight line distance between two points
Mass
The amount of matter an object contains
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
JC Science Heat
Heat
Temperature
Latent Heat
Conduction
A type of energy
A measure of how hot something is
Heat energy used to change state
Movement of heat through solids
Heat
A type of energy
Temperature
A measure of how hot something is
44 terms
Physics definitions JC Science
Length
Mass
Temperature
Area
is the straight line distance between two points in space.
is the amount of matter in a body
is a measure of how hot or cold a body is.
is the amount of surface that covers a body.
Length
is the straight line distance between two points in space.
Mass
is the amount of matter in a body
Sound JC Science
vibrate
medium
eardrum
echo
to move back and forth quickly
Material through which a wave travels
tightly stretched membrane located at the end of the ear cana…
a reflected sound wave
vibrate
to move back and forth quickly
medium
Material through which a wave travels
Chemistry Terms (JC Science)
Matter
Evaporation
Condensing
Saturated solution
Anything that occupies space and has a mass
The changing of a liquid to a gas
The changing of a gas to a liquid
A solution that contains as much dissolved solute as possible…
Matter
Anything that occupies space and has a mass
Evaporation
The changing of a liquid to a gas
JC Science Skeleton
Three functions of the skeleton
Antagonistic pair
Example of an antagonistic pair
Joint
Support... Protection... Movement
Pair of muscles working together to cause movement
Bicep & tricep
Point in the body where bones meet
Three functions of the skeleton
Support... Protection... Movement
Antagonistic pair
Pair of muscles working together to cause movement
10 terms
JC Science Physics - Magnetism
Magnet
Magnetic materials
How magnetic poles interact
Example of a natural magnet
A metal that can attract other metals to it
Iron, nickel and cobalt
Like poles repel, unlike poles attract
Lodestone
Magnet
A metal that can attract other metals to it
Magnetic materials
Iron, nickel and cobalt
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
JC Science Living Things
Nutrition
Respiration
Excretion
Growth
The way a living thing gets food
Making energy from food
Getting rid of wastes
Living things get bigger
Nutrition
The way a living thing gets food
Respiration
Making energy from food
8. JC SCIENCE the skeleton
Functions of the skeleton
Joint
Function of muscles and joints
Tendons
To support the body (upright, keep it straight), allow moveme…
Where two bones meet
To allow movement... muscles are attached to bones on either sid…
Joins muscle to bone... do not stretch, when a muscle contracts…
Functions of the skeleton
To support the body (upright, keep it straight), allow moveme…
Joint
Where two bones meet
17 terms
JC Science Physics - Force
Difference between weight and mass
Mass of a body
Weight of a body
Hooke's Law
Mass is the amount of matter in a body, weight is the pull of…
The amount of matter in a body
The force of gravity pulling on a body
The extension in a spring is directly proportional to the for…
Difference between weight and mass
Mass is the amount of matter in a body, weight is the pull of…
Mass of a body
The amount of matter in a body
13 terms
JC Science - The Sensory System
Central Nervous System
Sensory Nerve
Motor Nerve
Stimulus
The Brain and the Spinal Cord
Carries messages to the brain
Carries messages from the brain
Something that causes a reaction
Central Nervous System
The Brain and the Spinal Cord
Sensory Nerve
Carries messages to the brain
JC Science The Sensory System
Central Nervous System
Sensory Nerve
Motor Nerve
Stimulus
The Brain and the Spinal Cord
Carries messages to the brain
Carries messages from the brain
Something that causes a reaction
Central Nervous System
The Brain and the Spinal Cord
Sensory Nerve
Carries messages to the brain
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
15 terms
JC Science Ecology Definitions
Adaptation
Carnivore
Competition
Conservation
The way in which living things adjust to their suroundings so…
An animal that eats meat only.
Where two or more organisms strive for scarce resources.
The protection.preservation and careful use of our natural re…
Adaptation
The way in which living things adjust to their suroundings so…
Carnivore
An animal that eats meat only.
8 terms
JC Science The Atom
The atom
Parts of the atom
Protons charge
Electrons charge
Smallest part of an element
Proton, electrons and neutrons
Positive
Negative
The atom
Smallest part of an element
Parts of the atom
Proton, electrons and neutrons
JC Science: Measurement
What is a metre stick used to measure?
What is an opisometer used to measure?
What is a trundle wheel used to measure?
What is a vernier callipers used to me…
Length; straight lines.
Length; short curved lines.
Length; long, curved lengths.
...
What is a metre stick used to measure?
Length; straight lines.
What is an opisometer used to measure?
Length; short curved lines.
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…
1 of 10