Grade 9 Physics Quiz

What is the Greek word that the term 'physics' is derived from?

• Physicsus

• Phusis

• Physica

• Philosophy

Which branch of physics deals with the study of sound?

• Optics

• Mechanics

• Thermodynamics

• Acoustics

What is the SI unit of mass?

• Milligram

• Gram

• Tonne

• Kilogram

Who is known for formulating the three laws of motion?

• Albert Einstein

• Michael Faraday

• Isaac Newton

• Marie Curie

Which of the following is NOT a branch of physics?

• Thermodynamics

• Biology

• Astrophysics

• Electromagnetism

What does thermodynamics study?

• Motion of objects

• Sound and its properties

• Light and its behavior

• Thermal energy and heat transfer

Which scientist is known for contributions to nuclear physics?

• Marie Curie

• James Prescott Joule

• Isaac Newton

• Galileo Galilei

What is the standard unit of length in the SI system?

• Kilometer

• Meter

• Millimeter

• Centimeter

Which of the following fields applies principles of physics to medicine?

• Biophysics

• Engineering

• Medical Physics

• Geology

What is the primary focus of mechanics in physics?

• Study of sound

• Study of heat

• Motion of objects

• Study of light