final exam s1 24/25

Front

What is reflection in physics?

Back

Reflection is the bouncing back of light or sound waves when they hit a surface.

Front

What happens when two like poles of magnets are brought close together?

Back

They will repel each other.

Front

What happens to the direction of magnetic field lines when the electrical current is reversed?

Back

The direction of the magnetic field lines will reverse.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or state.

Front

Is horseplay allowed in the science classroom?

Back

False, horseplay, jokes, and pranks are not allowed in the science classroom.

Front

What is the law of reflection?

Back

The law of reflection states that the angle of incidence is equal to the angle of reflection.

Front

What is a magnetic field?

Back

A magnetic field is the region around a magnet where magnetic forces can be detected.

Front

What is the difference between potential energy and kinetic energy?

Back

Potential energy is stored energy based on position, while kinetic energy is the energy of motion.

Front

What is the formula for calculating potential energy?

Back

Potential Energy (PE) = mass (m) × gravity (g) × height (h).

Front

What are the two types of magnets?

Back

The two types of magnets are permanent magnets and temporary magnets.