Qasim is learning about elasticity. He understands that stress is the force per unit area causing deformation. What is the SI unit of stress?

Pressure increases when:

Action and reaction forces act on:

Calibration of thermometer means:

Rachel is driving a car and observes that the car's speed is increasing at a constant rate. What type of acceleration is the car experiencing?

George is studying induced magnetism. He knows that a magnetic material can be magnetized by stroking it with a magnet. What is the method of magnetizing a steel bar by repeatedly stroking it called?

Temperature is a measure of:

Domain theory explains magnetism due to:

Fatima is learning about types of forces. She understands that friction is a contact force. Which of the following is a type of friction?

Victor is studying energy resources. He knows that fossil fuels are non-renewable. Which of the following is a renewable energy resource?

Which application uses magnetism in data storage?

Fatima is studying a velocity-time graph. The graph is a straight line with a negative slope. What does this indicate about the acceleration?

A force can change the direction of velocity as in:

Waseem is studying a distance-time graph. The graph is a curve that is concave downwards. What does this indicate about the motion?

Omar is learning about types of forces. He knows that tension is a force transmitted through a string or rope. Which of the following is an example of tension?

Distance is a:

Which scale is commonly used in laboratories?

What is pressure?

Ibrahim is studying the expansion of liquids. He learns that liquids expand when heated. What happens to the density of a liquid when it is heated?

Xia is studying cosmology. She learns that cosmology studies the universe as a whole. Which of the following is a key question in cosmology?

Value of gravitational field strength on Earth is approximately:

Kinetic energy depends on:

Oliver is studying the conservation of energy. He knows that energy is conserved in a closed system. In a roller coaster, where is the potential energy maximum?

George is studying energy conversion. He drops a ball from a height of 5 meters. As the ball falls, its potential energy is converted to kinetic energy. What is the kinetic energy of the ball just before it hits the ground? (Assume mass = 1 kg, g = 10 m/s²)

Energy possessed by a moving object is called:

David is studying ferromagnetic materials. He knows that ferromagnetic materials are strongly attracted to magnets and can be permanently magnetized. Which of the following is a ferromagnetic material?

Sam is running a 100-meter race. He completes the race in 10 seconds. What is his average speed?

In science, researchers usually share their results through ____.

Which property of a magnet causes it to attract iron?

Liquid pressure increases with: