Page 174 - SK Year 5 Science DLP

RUSTY OBJECTS

There are objects found in our surroundings that are made of many
different materials. Some materials become rusty while some materials
do not rust. Let us observe the situations below to find out the materials
that rust.

Ravi, let’s sit for a while.

All right. Let’s sit on this wooden
bench. That iron bench is rusty.

What is the difference between the two benches in this park?

The mailbox at
your house does The mailbox at my house
not rust, Ravi. The is made of plastic.
mailbox at my
house is rusty.

What is the difference between the two
mailboxes at Chan and Ravi’s houses?

Based on the situations above, what are the
materials found in the objects that rust?

166
7.1.2