Day 10 Kinetic Energy Lecture

What are the main objectives of this lesson?

• To understand the concept of energy

• To study the biography of James Prescott Joule

• To define kinetic and potential energy and calculate energy in Joules

• To learn about chemical reactions

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-4

What is the common unit of energy equivalent to 4.184 Joules?

• Pascal

• Watt

• Calorie

• Newton

How is energy defined?

• The force applied over a distance

• The speed of an object in motion

• The capacity for spontaneous change

• The ability to perform work or produce heat

Tags

NGSS.HS-PS3-2

What is the equivalent of 1 calorie in Joules?

• 9.81 J

• 1.00 J

• 2.54 J

• 4.184 J

How is kinetic energy mathematically defined?

• KE = 1/2 mass * velocity

• KE = mass * velocity^2

• KE = 1/2 mass * velocity^2

• KE = mass * velocity

Tags

NGSS.HS-PS3-2

What does the 'm' in the kinetic energy formula stand for?

• Meter

• Momentum

• Mass

• Motion

What does the 'v' in the kinetic energy formula represent?

• Velocity

• Volume

• Voltage

• Variation

What type of energy is stored in matter and released during chemical reactions?

• Kinetic energy

• Thermal energy

• Electrical energy

• Potential energy

Tags

NGSS.HS-PS1-4

Who is the SI unit of energy named after?

• Nikola Tesla

• Isaac Newton

• Albert Einstein

• James Prescott Joule

What is the SI unit of energy?

• Joule

• Watt

• Newton

• Pascal