P4 Flashcards
What is density defined as?
Density is defined as the mass per unit of volume.
Which state of matter has the highest density?
Solid
If an object has a density of 1200 kg/m^3 what is it’s density in g/cm^3
1.2
What piece of equipment do you use to measure an object’s mass?
Top pan balance
What piece of equipment do you use to measure a liquid’s volume?
Measuring cylinder
A 500 ml sports drink has a mass of 600 g. Work out it’s density.
1.2 g/cm^3
A student takes 3 readings of object’s mass, they are 0.51 kg, 0.55 kg and 0.59 kg. Work out the uncertainty in these readings.
0.04 kg
If you increase the temperature of a gas and keep the volume the same, will the pressure increase or decrease?
Increase
What is the definition for latent heat of fusion?
What is the definition for latent heat of fusion?
Energy required to convert one kilogram of a solid to liquid without a change in temperature.
What is the unit for latent heat?
J/kg
What is the definition of specific heat capacity?
The amount of energy required to raise the temperature of 1 kilogram of a substance by 1 degree Celsius.
What piece of equipment do you use to find an irregular object’s volume? List two pieces of equipment.
Eureka can
Measuring cylinder
Why are gases compressible?
The particles in gases are spaced far apart so there is space for the particles to move closer
Internal energy is the sum of which two stores of energy?
Kinetic store
Potential store