Calculate speed

Presentation

•

Science, Physics

•

7th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS3-1

Standards-aligned

Kendra Castro

Used 67+ times

FREE Resource

7 Slides • 8 Questions

Calculate speed

Objective: Calculate speed, distance or time when given two of the three variables.

By Sandra Smith

Poll

Be Honest: How well do you understand the concepts of speed, velocity, distance and displacement?

Oh yea! I got it!

I think I understand.

Pretty good.

I am lost!!!!

Multiple Choice

Vocabulary Check:

What is a measurement of how far you have traveled from your original position? (has direction)

Distance

Speed

Displacement

Distraction

Multiple Choice

Vocabulary Check:

What is the difference between speed and velocity

Speed is based on time and velocity is not

Speed has direction

Velocity has distance and speed does not

Velocity has direction

Fill in the Blanks

Type answer...

Calculating Speed Steps
- Write the equation (ex. s=d/t)
- Plug in what you know
- Solve for the missing variable
- use correct units
- circle answer

Solve:

First write formula s=d/t
Plug in 50 for distance
Plug in 25 for time
50/25 =2
2 m/s

Multiple Choice

Q: Juan ran 72 m across the football field in 8 seconds. What was his speed?

8 m/s

7 m

576 m/s

9 m/s

Multiple Choice

Q: Steve runs 20 m North in 4 seconds. What is his velocity

5 m/s

5 m/s South

4 m/s South

5 m/s North

Multiple Choice

Q: If a car is going 125 m/s for 13 seconds, how far does it go?

9.61 meters

1562 seconds

1625 meters

138 m/s

Multiple Choice

Q: A boat is going 87 m/s. How long will it take him to go 1 km? (Hint: convert km to meters)

.087 seconds

.0087 seconds

11.49 seconds

87,000 seconds

Calculate speed

Objective: Calculate speed, distance or time when given two of the three variables.

By Sandra Smith

Show answer

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