Energy Review (PE, KE)

What is the unit of measure for work?

• Newton (N)

• Joule (J)

• Kelvin (K)

• No answer choice is correct

Tags

NGSS.MS-PS3-5

The acceleration of gravity on Earth is...

• 9.8 m/s

• 9.8 m/s²

• 8.9 m/s²

• 9.0 m/s²

Tags

NGSS.MS-PS2-4

The force of attraction between two objects is known as:

• interia

• gravity

• momentum

• gravitational potential energy

Tags

NGSS.MS-PS2-4

A bicycle has a mass of 10 kg and is moving at a velocity of 15 m/s. What is the bicycle's kinetic energy?

• 1125 J

• 150 J

• 1.5 J

• 750 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

The following chemical equation is balanced. What type of reaction is represented by this equation?

2RbNO₃ + BeF₂ → Be(NO₃)₂ + 2RbF

• Synthesis

• Single Replacement

• Double Replacement

• Decomposition

The three subatomic particles are:

• protons, neutrinos, electrons

• positrons, neutrons, negatrons

• protons, neutrons, electrons

• alpha, beta, gamma

Carbon-14 and Carbon-16 are both isotopes of Carbon. Therefore, they each have the same number of protons but different number of...

• electrons

• positrons

• neutrinos

• neutrons

Tags

NGSS.MS-PS1-1

What is the gravitational potential energy (GPE) of a ceiling fan with a mass of 10 kg that is suspended 4 m above the floor?

• 40 J

• 40 N

• 2.5 J

• 392 J

Tags

NGSS.MS-PS2-4

What is the kinetic energy of a bowling ball that has a mass of 47 kg and is traveling at a velocity of 22 m/s?

• 2.14 J

• 11374 J

• 10133 J

• 1034 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

A solvent is a substance into which another substance is dissolved. The substance that gets dissolved is known as the...

• solution

• solute

• base

• buffer