Midterm Exam

Front

What is the force that causes two magnets to attract each other?

Back

Magnetic Force

Tags

NGSS.MS-PS2-3

Front

What happens to the potential energy of an apple as it falls from a tree?

Back

The potential energy of the apple changes to kinetic energy.

Tags

NGSS.MS-PS3-5

Front

What is the difference between potential energy and kinetic energy?

Back

Potential energy is stored energy, while kinetic energy is energy in motion.

Tags

NGSS.MS-PS3-2

Front

Which substance is likely to sink in water: Acetic acid, Ammonia, or Turpentine?

Back

Acetic acid.

Front

What type of element is characterized by being shiny but can also be dull and is a semiconductor?

Back

Metalloids.

Front

Define potential energy.

Back

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

Tags

NGSS.MS-PS3-2

Front

Define kinetic energy.

Back

Kinetic energy is the energy an object possesses due to its motion.

Front

What is an example of a magnetic force in everyday life?

Back

Magnets sticking to a refrigerator.

Tags

NGSS.MS-PS2-3

Front

What is the principle of buoyancy?

Back

Buoyancy is the ability of an object to float in a fluid, determined by the object's density compared to the fluid's density.

Front

What is the formula for calculating kinetic energy?

Back

Kinetic Energy (KE) = 1/2 mv², where m is mass and v is velocity.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5