All these use mains electricity EXCEPT

An object that contains chemical energy which can be converted to electrical energy

One of these bring electricity from the power station to our homes

1. electric iron use the electricity from the ...

2. The ....uses electricity to keep the food cool and fresh

3. below are the things use electricity to heat things up ...

4. electricity can also cause .... if we are not careful

5. here is a thing you shouldn't do when using electricity...

________________ also is form of electricity.

Tick the pictures that use electricity

Electricity can only be used in our houses.

The ______________ uses electricity to boil water.

Anna is a second grader. She turned on the lamp in her room, however she notices that the light bulb is not working anymore. She remembered that there is a spare bulb in the kitchen cabinet, so she decided to change the light bulb of her lamp with a new one. Is Anna doing the right thing?

What is the source of electricity of the object in the picture?

What would most likely to happen if we don’t use electricity safely?

The ______________ uses electricity to show the time.

Which of the following uses electricity safely?

The Fan uses ............

The washing machine uses ............

Electricity can only be used at home and schools

Man-made materials are made by_________.

Silk comes from a _____________ and is a natural resource

Wool comes from a _____________ and is a natural resource

A ceramic brick is made of ______________

A plastic raincoat is made of ______________

What is this material?

Which property means to protect from water?

What material is suitable for making basketballs?

Ryan is able to see through the glass windows clearly. This is because the glass window is ______________.

Different materials have different _____________.

Mrs Lim bought a knife. The properties of the blade of the knife are described below.

-It is shiny.

-It is strong

-It is not scratched easily.

Which of the following is most likely the material used to make the blade of the knife?

Which property is most important for a raincoat?

It is when a material can bend easily

What is this object made of?

What is this object made of?

Milk is _

What form is this?

The process of solid turn into liquid because of heat is called _

Liquid will turn into _ when we heat it.

Glass is made from _

Liquid will turn into _ when we heat it.

Which material below becomes liquid after gets heat?

When you place this material in the freezer, it will become .... .

What is it?

Reversible means that …..

Irreversible means that …..

Is this a reversible or irreversible change?

Is this a reversible or irreversible change?

Is this a reversible or irreversible change?

True or False

Wood turns to ash when it is burnt in a campfire.

Light is a type of of ….

Light helps us to ….

Light is made up of ….

Which of these energy has the fastest speed?

What is the main source of light of earth?

Light source that is made by nature or by animal is called … source of light.

Light source that is made by human is called … source of light.

Moon … produce light.

Moon … the light from the sun so it looks bright.

When there is no light, the world becomes ….

Firefly is ... source of light.

Projector is ... source of light.

Stars are ... source of light

Blue-ringed octopus is ... source of light.

Lighted bulb is ... source of light.

This is one of source of light. It guides the sailors or fishermen to see land. It is ....

It usually appears when there is dark cloud or when it rains. It is ....

It is part of computer. It produces light. It is ....

It lives in the ocean deep. Its light attracts small fish. It is a/an ....

It is an outdoor fire made from wood. It is usually for burning waste. It is ....

water vapor turns into water droplets

Salt dissolved in water.

Melting chocolate

rusting iron

water vapor turns into water droplets

baking

mixing vinegar and baking soda