Different Materials and Inclined Planes

Tell me what is the same about these two objects?

Will these materials absorb or repel water? Who remembers what absorb means? What about repel?

Now lets learn about inclined planes!

Its experiment time! At your desk groups you will find some objects books and a board! lets see which goes the furthest and if the height of the ramp changes anything.

Classifying Materials and Discovering Movement!

To start you will find in front of you two hula hoops! As a class please sort the materials into either wood or metal!

What makes them the same?

What makes them different?

Are there any that are both?

Now Look In your Groups Basket! Lets use these things to come up with as many ways to move your wood block as possible!

Comparing Objects and Friction

Today we are looking at objects that are made from more then one material and what friction is. 


what objects can you think of that are made from more then one material?

Share these with your elbow partner!

What is friction?



Now lets do an experiment that looks at friction! What materiel will have the most friction?

Natural and Built Features

In communities there are two types of features. 

1. Natural Features: Features that are created by nature. 

2. Built Features: Features built or created by humans. 

Looking at these images ask your self:

• What does this image tell you about the community?
• What do you see?
• What does it make you think of?
• What are you wondering?

Structures

Simple Machines!

What is a Community?

Now who can tell me what do all communities have in common?