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WorksheetsGrade 8 Physics Quiz
Total questions: 15
Worksheet time: 8mins
Calculating speed using distance and time: What is the formula to calculate speed?
Speed = Distance * Time
Speed = Time / Distance
Speed = Distance - Time
Speed = Distance / Time
Calculating speed using distance and time: If a car travels 200 miles in 4 hours, what is its speed?
100 miles per hour
300 miles per hour
50 miles per hour
25 miles per hour
Calculating speed using distance and time: If a train covers 300 kilometers in 5 hours, what is its speed?
60 km/h
100 km/h
50 km/h
200 km/h
Understanding the concept of gravity: What is the acceleration due to gravity on Earth?
10.25 m/s^2
5.67 m/s^2
9.81 m/s^2
7.93 m/s^2
Understanding the concept of gravity: What is the difference between mass and weight?
Mass is the amount of matter in an object, while weight is the force exerted on an object due to gravity.
Mass is the force exerted on an object due to gravity, while weight is the amount of matter in an object.
Mass and weight are the same thing and can be used interchangeably.
Mass is the measure of how heavy an object is, while weight is the amount of space an object takes up.
Understanding the concept of gravity: How does gravity affect objects on the surface of the Earth?
It pushes objects away from the center of the Earth.
It pulls objects towards the center of the Earth.
It has no effect on objects on the surface of the Earth.
It causes objects to float in the air.
Exploring different types of forces: What is the difference between balanced and unbalanced forces?
Balanced forces have equal magnitude and opposite direction, resulting in no change in motion. Unbalanced forces have unequal magnitude or are in the same direction, resulting in a change in motion.
Balanced forces have unequal magnitude or are in the same direction, resulting in a change in motion.
Unbalanced forces have equal magnitude and opposite direction, resulting in no change in motion.
Balanced forces have equal magnitude and same direction, resulting in a change in motion.
Exploring different types of forces: Give an example of a contact force and a non-contact force.
Tension (contact force) and Electrostatic force (non-contact force)
Normal force (contact force) and Nuclear force (non-contact force)
Friction (contact force) and Gravity (non-contact force)
Magnetism (contact force) and Air resistance (non-contact force)
Exploring different types of forces: How does friction affect motion?
Friction causes objects to float
Friction has no effect on motion
Friction increases speed of motion
Friction creates resistance to motion
Newton's first law of motion: What is Newton's first law of motion also known as?
law of inertia
law of energy
law of motion
law of gravity
Newton's first law of motion: Explain the concept of inertia.
Inertia is the tendency of an object to resist changes in its state of motion.
Inertia is the tendency of an object to speed up when a force is applied
Inertia is the tendency of an object to change color when in motion
Inertia is the tendency of an object to attract other objects
Newton's first law of motion: How does Newton's first law apply to objects at rest and in motion?
Objects at rest will start moving on their own
Objects in motion will slow down and stop on their own
Objects at rest will move in a straight line forever
Objects at rest will remain at rest, and objects in motion will remain in motion unless acted upon by an external force.
Newton's second law of motion: What is the formula to calculate force?
F = ma^2
F = m/a
F = ma
F = mv
Newton's second law of motion: How does the mass of an object affect its acceleration when a force is applied?
The mass of an object increases its acceleration
The mass of an object has no effect on its acceleration
The mass of an object decreases its acceleration
The mass of an object affects its acceleration by making it inversely proportional to the force applied.
Newton's second law of motion: Give an example of how Newton's second law can be observed in everyday life.
Pushing a heavy shopping cart
Reading a book
Walking a dog
Sitting on a chair
