WorksheetsScience Quiz
Total questions: 8
Worksheet time: 4mins
What must be true for a ship to float?
Its weight must be heavier than the water.
Its weight must be lighter than the water.
Its weight must be equal to the water.
Its weight does not matter.
What is the formula to calculate mass?
Mass = Volume + Density
Mass = Volume / Density
Mass = Volume × Density
Mass = Density - Volume
What is the density of water used in the example?
1000 kg/m³
997 kg/m³
950 kg/m³
900 kg/m³
What volume of water does the ship displace in the example?
5 m³
6 m³
7 m³
8 m³
What is a common mistake students make when calculating mass?
Forgetting to multiply volume and density
Not calculating the overall volume of each shape
Using the wrong units
Ignoring the temperature
What is electrical power used to confirm?
The amount of voltage in a circuit
The amount of energy being transferred through a circuit
The amount of current in a circuit
The resistance in a circuit
Why is calculating electrical power important?
To ensure devices are used safely
To increase the speed of devices
To reduce the cost of electricity
To improve battery life
What is the definition of power in the context of electricity?
The amount of voltage in a circuit
The amount of energy being transferred in a period of time
The amount of current in a circuit
The resistance in a circuit
