Energy
What is the unit for energy?
Joules
What is the unit of current?
Amps
This is the state of matter where particles are closely packed in a regular arrangement and only vibrate in fixed positions.
Solid
Which type of nuclear decay blocked by 5 cm of air or paper?
alpha
Who first organised the periodic table? (He arranged it by increasing atomic mass)
Dmitri Mendeleev
What is the energy transfer in a car that starts at the top of a hill and rolls to the bottom?
Gravitational potential to kinetic energy
Free 200:)
+200
What is the change of state from a gas to a solid?
deposition
Atoms of the same element that have the same number of protons but a different number of neutrons.
Isotopes
What is the difference between a molecule and a compound?
Molecule: 2 or more atoms chemically bonded
Compound: 2 or more different atoms chemically bonded
What are the energy transfers from a battery to a motor in a circuit?
Chemical to electrical, electrical to kinetic
How does current behave in a parallel circuit?
It is shared between the branches.
What is the relationship between density, mass, and volume?
Density = mass/ volume
What is the difference between atomic mass and atomic number?
atomic mass is the number of protons and neutrons, atomic number is the number of protons
Free 300 :)
+300
What is the equation for kinetic energy?
Ek=0.5mv2
What is the equation linked to Ohm's Law?
V = I x R
What piece of equipment would you use to find the density of an irregular object?
Eureka can
What are gamma rays?
electromagnetic radiation
Who scored the 4 goals for England last night?
Kane x2
Bellingham
Rashford
What are 2 ways to reduce energy waste?
thermal insulation and lubrication
What colour is the live wire in a uk plug?
Brown
The amount of energy needed to change the state of 1 kg of a substance without a change in temperature.
Specific latent heat
How is the periodic table arranged?
by increasing proton number
Give an example of 3 vector quantities.
velocity
displacement
acceleration
force