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8th Grade Lesson Plans

Monday, October 14th

No School

 

Tuesday, October 15th

Lesson 1.4 Explaining Force and Velocity

NGSS Disciplinary Core Ideas

 

PS2.A: Forces and Motion:

The motion of an object is determined by the sum of the forces acting on it; if the total force on the object is not zero, its motion will change. The greater the mass of the object, the greater the force needed to achieve the same change in motion. For any given object, a larger force causes a larger change in motion. (MS-PS2-2)

PS2.A: Forces and Motion:

All positions of objects and the directions of forces and motions must be described in an arbitrarily chosen reference frame and arbitrarily chosen units of size. In order to share information with other people, these choices must also be shared. (MS- PS2-2)

Students learn:

 

Forces vary in strength.

The strength of a force affects how the velocity of the object changes.

Lesson at a Glance

 

1: Warm-Up (10 min.)

Students are prompted to explain the difference between velocity and force.


 

2: Word Relationships (15 min.)

Students apply what they have learned about the relationship between force and velocity. This provides an On-the-Fly Assessment opportunity of students' ability to engage in the practice of constructing explanations.


 

3: Investigating Strong and Weak Forces (20 min.)

Students investigate how the force strength exerted on an object affects that object's velocity change.


 

4: Homework

Students read about friction to reinforce ideas about the relationship between force and velocity.

 

Wednesday, October 16th

1.5 Force Strength and Velocity Change

NGSS Disciplinary Core Ideas

 

PS2.A: Forces and Motion:

The motion of an object is determined by the sum of the forces acting on it; if the total force on the object is not zero, its motion will change. The greater the mass of the object, the greater the force needed to achieve the same change in motion. For any given object, a larger force causes a larger change in motion. (MS-PS2-2)

PS2.A: Forces and Motion:

All positions of objects and the directions of forces and motions must be described in an arbitrarily chosen reference frame and arbitrarily chosen units of size. In order to share information with other people, these choices must also be shared. (MS- PS2-2)

 

Students learn:

 

A stronger force can cause a greater change in velocity.

Friction is a force exerted in the direction opposite to an object's motion, which means friction will cause an object’s velocity to decrease.

Lesson at a Glance

 

1: Warm-Up (10 min.)

Students reflect on the homework article as they think about an object sliding across different surfaces.


 

2: Force Strength and Velocity Change (15 min.)

Students apply their understanding of force and change in velocity to Sim missions and learn that to cause different amounts of velocity change, different strength forces must be exerted on objects.


 

3: Modeling Force and Velocity (20 min.)

Students are introduced to the Force and Motion Modeling Tool and create models to explain the relationship between the force exerted on an object and the object's change in velocity.

 

Thursday, October 17th

1.6 Evaluating Claims and Thruster Forces

NGSS Disciplinary Core Ideas

 

PS2.A: Forces and Motion:

The motion of an object is determined by the sum of the forces acting on it; if the total force on the object is not zero, its motion will change. The greater the mass of the object, the greater the force needed to achieve the same change in motion. For any given object, a larger force causes a larger change in motion. (MS-PS2-2)

PS2.A: Forces and Motion:

All positions of objects and the directions of forces and motions must be described in an arbitrarily chosen reference frame and arbitrarily chosen units of size. In order to share information with other people, these choices must also be shared. (MS- PS2-2)

 

Students learn:

 

A stronger force can cause a greater change in velocity.

Friction is a force exerted in the direction opposite to an object's motion, which means friction will cause an object’s velocity to decrease.

 

Lesson at a Glance

 

1: Warm-Up (10 min.)

Students reflect on the homework article as they think about an object sliding across different surfaces.


 

2: Force Strength and Velocity Change (15 min.)

Students apply their understanding of force and change in velocity to Sim missions and learn that to cause different amounts of velocity change, different strength forces must be exerted on objects.


 

3: Modeling Force and Velocity (20 min.)

Students are introduced to the Force and Motion Modeling Tool and create models to explain the relationship between the force exerted on an object and the object's change in velocity.

 

Friday, October 18th

Substitute:

Students will complete a Newsela article with 3 annotation marks.