韩剧 爱的迫降 Crash Landing on You OST Special Soundtrack | Piano Song for Bro...

Unit 5: Lesson 3: Uses of Springs

Many things in our daily life use springs

For examples:

Spring on our motorcycle or bicycle absorbing shock, and let us sit more comfort.

 Spring on the clip helps to hold the hair tightly.

The spring on the battery holder connects the battery to the circuit.

The spring in the stapler holds the staples thight in its carrier.

The spring at the cutter keeps the cutter open easily.

Can you state more item that uses spring that found in our daily life ?

Unit 3 : Lesson 5: Uses of Magnet

Lets have fun with magnet. Try this out!

Unit 6 : Lesson 1: Materials that can absorb water

Materials that cannot absorb water are called non-absorbent materials.

Examples

glass

rubber glove

plastic bag

metal spoon

Unit 6 : Lesson 1 Materials that can absorb water

Materials that can absorb water are called absorbent materials

Example

woods

coconut-husk

tissue paper

cotton

clothes

sponge

wool

paper

Unit 6 : Lesson 1: Materials that can absorb water

Materials that can absorb water

Let us find out materials that can absorb water by a small experiment.

First, prepare a plastic spoon and a bottle of red syrup.

Pour some red syrup in to the spoon .

Now, put the material you wish to test on the syrup in spoon.

Observation:  

Did the material wet ?
Did the material change in red colour ?

Find it out  (^_^)

Unit 5: Lesson 1: What is a Spring ?

What is a Spring ?

A spring is a coiled piece of steel or other materials.

What can we do on spring ?

Stretched

Bent

Squeezed

Twisted