Ramps

2

Ch. 11 , Lesson 4Ramps

How does a ramp work?

• Is a simple machine with a slanted surface.

• It helps you to move things to a higher place.

• It takes a lot of force to lift a load.

• It takes less force to push a load up a ramp.

Vocabulary:ramp

Objectives:I will be able to know:1-Explore how ramps help to move heavy objects.2-identify ramps and how do we use them.

Ramp

3

Ch. 11 , Lesson 4Ramps

A ramp can be short and steep.

Or long and less steep. It takes more force to push

something up a steep ramp than to push it up one that is longer and less steep.

Vocabulary:ramp

Objectives:I will be able to know:1-Explore how ramps help to move heavy objects.2-identify ramps and how do we use them.

4

Ch. 11 , Lesson 4Ramps

How do we use ramps? Ramps help people move

objects from one place to another.

Many buildings have ramps as well as stairs.

Vocabulary:ramp

Objectives:I will be able to know:1-Explore how ramps help to move heavy objects.2-identify ramps and how do we use them.

5

Ch. 11 , Lesson 4Ramps

Some ramps are for cars and trucks.

It makes moving of heavy machines to high places easy.Vocabulary:

ramp

Objectives:I will be able to know:1-Explore how ramps help to move heavy objects.2-identify ramps and how do we use them.

6

Ch. 11 , Lesson 4Ramps

Highway ramp

Wheelchair ramp

Loading ramp

Vocabulary:ramp

Objectives:I will be able to know:1-Explore how ramps help to move heavy objects.2-identify ramps and how do we use them.