CP Semester 1 test

Front

What is noise pollution?

Back

Noise pollution refers to harmful or annoying levels of noise in the environment, often caused by traffic, industrial activities, or loud music.

Front

Which materials can reduce noise pollution?

Back

Acoustic panels are effective in reducing noise pollution by absorbing sound waves.

Front

What are the four seasons?

Back

The four seasons are Winter, Spring, Summer, and Autumn.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

Front

What does Newton's 1st Law state?

Back

Newton's 1st Law states that an object at rest will remain at rest, and an object in motion will remain in motion unless acted upon by a net external force.

Front

Give an example of Newton's 1st Law.

Back

A book resting on a table remains at rest until a force is applied.

Front

What is net force?

Back

Net force is the overall force acting on an object when all the individual forces are combined.

Front

What is the net force on an object with balanced forces?

Back

The net force on an object with balanced forces is 0 Newtons.

Front

What is sound absorption?

Back

Sound absorption is the process by which sound waves are absorbed by materials, reducing noise levels.

Front

What is the role of concrete walls in noise reduction?

Back

Concrete walls can help reduce noise pollution by acting as a barrier that reflects sound.