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 at 25 °C as given 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 speed of a circuit
The amount of energy being transferred
The voltage of a circuit
The resistance in a circuit
Why is it important to calculate electrical power correctly?
To save money on electricity bills
To prevent electrocution and ensure safety
To increase the speed of devices
To reduce the size of devices
What is the definition of power as given in the text?
The amount of energy being stored
The amount of energy being transferred in a period of time
The amount of energy being lost
The amount of energy being created
