electrical circuits

this is our project in science we learn about electical circuits. In electrical circuit, there must be a batteries, a bulbs, a wires and the switch

Annual Project

At this term we were doing annual project. My group theme were Egypt. At bahasa Indonesia we had a perfomance about Cleopatra story. At English we made a booklet that contains information about Ancient Egyptian and also made a miniature. At math we made a ratio poster, at the ratio poster we wrote the length and the height of our miniature and the length and height of the real form. I really enjoyed the annual project.

Changes of State

We learn changes of state. The example of changes of state are solids,liquids and gasses

When solids become liquids it is called melting.

When liquids become solids it is called freezing.

When liquids become gasses it is called evaporation.

When gasses become liquid it is called steam.

Physical and Chemical Changes

I also learn about physical and chemical changes.

Physical changes are changes that are changes in there appearance but no new materials formed.

Chemical changes are changes that are changes in there appearance and new materials formed.

When we are learning this we also do some activity the activities are:
-Melting butter(physical Changes)
-Cutting paper(physical Changes)
-Moulding clay(phsical Changes)

Pollution

We have learn about polution. polution is something that make the environment unhealthy. Some polutions are water polution, air polution and land polution.

The effect of water polution is fish at the water died and the water are poluted. It is produce from the factory and people throwing rubbish to the water

The effect of air polution is the air become foggy and the earth become warmer. It is produce by the factory.

The effect of land polution is the land become dirty and not fertilled. It is produce from people throwing rubbish.
we can avoid the polution by reduce, reuse, and recycle.