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45 Cards in this Set
- Front
- Back
Name the parts of a nerve cell |
Dendrite, Axon, Myelin Sheath, Cell Body, Nucleus |
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What is the order of a nervous response? |
Stimulus, Receptor, Sensory Neurone, CNS, Relay Neurone, Motor Neurone, Effector, Response |
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What is the function of: Fat? |
Energy and insulation |
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Protein? |
Growth and Repair |
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Carbohydrates? |
Main source of energy |
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What is protein broken down into? |
Amino Acids |
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By which enzyme? |
Protease |
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Where? |
The stomach |
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Why in there? |
The acid creates the right pH |
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What is the relative mass and charge of the: Electron? |
0, -1 |
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Neutron? |
1, 0 |
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Proton? |
1, +1 |
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What does the atomic number mean and is it the smaller or larger number. |
Number of protons (and electrons), the smaller number |
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How do you calculate the number of neutrons? |
Mass(Larger) number - Atomic(smaller)number |
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What is an isotope? |
An atom with a different number of neutrons. |
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Name the group 1 elements |
Lithium, Sodium, Potassium, Rubidium, Caesium, Francium |
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Name the group 7 elements or "Halogens" |
Fluorine, Chlorine, Bromine, Iodine, Astatine, Tennessine🔥🔥🔥🔛🔝 |
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How is the modern periodic table ordered? |
By atomic number |
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How was Newland's Table ordered? |
By the 'Law of Octaves' |
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How was Mendeleev's table ordered? |
Ordered by atomic mass and left gaps for undiscovered elements |
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Who made the Plum Pudding model? |
J.J Thompson |
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What was it? |
Positive mass, electrons interspersed throughout, like plums in plum pudding |
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Who made the nuclear model? |
Ernest Rutherford |
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What was it? |
Empty space, electrons floating, very small and dense positive nucleus in centre, no neutrons |
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Name the Energy Stores |
Thermal, Chemical, Elastic Potential, Gravitational Potential, Magnetic, Electrostatic, Kinetic, Nuclear |
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Name the Energy Transfers |
Electrical, Mechanical, Radiation, Heating, Mechanical Wave |
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What is the equation for Work Done? |
Work Done(J) = Force(N) X Distance(m) |
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How is energy transferred from stores in a Coal Power Plant? |
Chemical(Coal), Thermal(Water), Kinetic(Steam then Turbine), Electrical |
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What are some advantages of Wind Power over Coal Power? |
CO2 free, No Air Pollution, Renewable, Good Location=Good Energy |
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What is the symbol for a/an: LDR? |
Back (Definition) |
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Resistor? |
Back (Definition) |
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Variable Resistor? |
Back (Definition) |
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Thermistor? |
Back (Definition) |
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Bulb/Lamp? |
Back (Definition) |
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Anmeter? |
Back (Definition) |
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Voltmeter? |
Back (Definition) |
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Motor? |
Back (Definition) |
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Switch? |
Back (Definition) |
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Battery? |
Back (Definition) |
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As you add more resistors, the resistance _____ |
Rises |
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In a series circuit, the Potential Difference across each component ________ |
Adds up to the P.D across the battery |
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What is a Covalent Bond? |
A bond in which electrons are shared |
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What is an Ionic Bond? |
A bond where an atom which has given away an electron bonds to the atom it gave it to, Negative + Positive Ion |
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Name 3 Covalently Bonded small molecules |
CH4(Methane), H2O, CO2 |
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Covalent bonds can be represented by a l___ |
Line |