Spring 2025 8th grade Final

Which of the following is a type of noncontact force?

• Friction

• Gravity

• Tension

• Normal force

Newton's First Law is also known as the Law of :

• Acceleration

• Inertia

• Action and Reaction

• Universal Gravitation

Which of the following best describes speed?

• The rate at which an object changes its position

• The direction of an object's motion

• The amount of matter in an object

• The force acting on an object

What is the unit of force in the International System of Units (SI)?

• Joule

• Newton

• Watt

• Meter

Which law states that for every action, there is an equal and opposite reaction?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Law of Conservation of Energy

Which of the following is NOT a property of a wave?

• Wavelength

• Frequency

• Mass

• Amplitude

Which part of the electromagnetic spectrum has the shortest wavelength?

• Radio waves

• Infrared

• Ultraviolet

• Gamma rays

What happens to light when it passes from air into water?

• It speeds up

• It slows down and bends

• It disappears

• It reflects completely

Which of the following is a vector quantity?

• Speed

• Distance

• Velocity

• Mass

What is the formula for Newton's Second Law of Motion?