Electricity
What is the unit of measurement for resistance?
Ohm Ω
What is the formula for gravitational potential energy?
Ep=mgΔh
What are the 3 types of heat transfer?
Conduction, convection & radiation
What is the angle of the Earth's axial tilt?
23.5°
Eight
What is the formula for voltage?
V=IR
What is the formula for kinetic energy?
Ek=1/2mv2
Define latent heat
The amount of energy required to change the state of 1g of a substance
What is the name of the shape of Earth's orbital path around the sun?
How long between each high tide?
Approximately 12 hours
What is the definition of power?
Joules per second
Define work
A transfer of energy
The amount of energy required to raise the temperature of a substance by 1 degree.
What is meant by the term equinox?
Equal day and night length
Which type of eclipse lasts for a longer amount of time?
Lunar eclipse
If a simple circuit is powering one bulb with a resistance of 4 Ω and has a battery suppling 12 V, how much current is running through the circuit?
3 Amps
A 1,200 kg car travels at 20 m/s. Calculate its kinetic energy.
240,000 J
2.0 kg of water cools from 80 °C to 25 °C. How much thermal energy is released?
Specific heat capacity =4200
462,000J
What is the term for the highest point of the Sun's path in the sky?
How long does it take for the moon to orbit the Earth?
27.3 days
A 100 W light bulb uses 36,000 J of energy. How long was it switched on for?
360 seconds
A sprinter of mass 65 kg has 3,250 J of kinetic energy. Calculate her running speed.
A kettle supplies 180 000 J to heat 1.0 kg of water. What temperature rise does this cause?
42.86 °C
What location on Earth is latitude 0°
The Equator
What year did the moon landing take place?
1969