Momentum And Impulse Lesson Plan for 9th Grade Students

Topic: Momentum and Impulse

Objectives & Outcomes

• To understand the concept of momentum and impulse and how they are used in real life.

Materials

• Balancing toy (e.g. seesaw)
• Rope
• Hammer
• Nails
• Wood blocks
• Calculator
• Paper

Warm-up

• Ask the students if they have ever been on a seesaw or a swing. Ask them to describe how it feels to be on the swing or the seesaw.
• Introduce the concept of momentum and explain that it is the property of an object that causes it to keep moving in the same direction, even if the force that is causing it to move is no longer applied.

Direct Instruction

• Show a video or a demonstration of a pendulum, oscillating fan, or a ball being thrown.
• Discuss the concept of momentum and how it relates to the motion of the pendulum or oscillating fan. Ask the students to describe how the motion of the pendulum or fan changes over time.
• Explain that impulse is the change in momentum that occurs when a force is applied to an object.
• Discuss the concept of impulse and how it is related to the motion of the ball being thrown. Ask the students to describe how the motion of the ball changes over time.

Guided Practice

• Divide the students into small groups and give each group a pendulum, oscillating fan, or a ball.
• Have the students carefully observe the motion of the pendulum, oscillating fan, or ball and describe how it changes over time.
• Have the students identify the impulse that occurs when a force is applied to the pendulum, oscillating fan, or ball.
• Have the students describe how the motion of the pendulum, oscillating fan, or ball changes over time after the impulse is applied.

Independent Practice

• Have the students work in pairs to conduct a short experiment to measure the momentum of objects of different sizes and shapes.
• Have the students use their results to create a graph showing the relationship between the size or shape of an object and its momentum.
• [Encourage the students to use their Pendulum, Oscillating fan or ball to make their experiment more accurate ]

Closure:

• Review the concept of momentum and impulse, and how they can be measured using pendulums, oscillating fans and balls.
• Ask the students to share their observations and conclusions from the independent practice activity.

Assessment:

• Observe the students during the guided practice and independent practice activities, to assess their understanding of the concept of momentum and impulse.
• Ask the students to present their independent practice projects and discuss their observations and conclusions.