Mass and Weight
This is the measure of the amount of matter in an object.
What is mass?
This is the formula for density.
What is density = mass/volume?
These are the two poles of a magnet.
What are North and South?
This is the formula for pressure.
What is pressure = force/area?
This physical quantity is measured in kilograms (kg).
What is mass?
This is the force exerted on an object due to gravity.
What is weight?
If an object has a mass of 50 g and a volume of 10 cm³, its density is this.
What is 5 g/cm³?
Like poles of magnets do this when brought close.
What is repel each other?
The SI unit for pressure.
What is the pascal (Pa)?
This quantity has both magnitude and direction.
What is a vector quantity?
If an object has a mass of 10 kg on Earth, its weight would be this (use g=9.8 m/s)
What is 98 N?
An object with a density of 0.8 g/cm³ will do this when placed in water (density = 1 g/cm³).
What is float?
This type of material is strongly attracted to magnets (e.g., iron, nickel, cobalt).
What is (ferro)magnetic material?
This explains why a sharp knife cuts better than a blunt one.
What is higher pressure due to smaller surface area?
The three fundamental quantities in physics (mass, length, and ___).
What is time?
An object’s mass remains the same, but this changes if it goes to the Moon.
What is weight?
The SI unit for density.
What is kg/m³?
The area around a magnet where its force can be detected.
What is the magnetic field?
The pressure exerted by the atmosphere at sea level.
What is atmospheric pressure?
The instrument used to measure force.
What is a spring balance (or force meter)?
The instrument used to measure mass in a laboratory.
What is a scale?
This principle explains why ships float despite being made of dense materials.
What is Archimedes' Principle?
This happens when a magnet is cut in half.
What is you get two smaller magnets, each with N and S poles?
This principle states that pressure applied to a fluid is transmitted equally in all directions.
What is Pascal’s Principle?
The difference between scalar and vector quantities.
What is scalar has only magnitude, vector has magnitude and direction?