Revision Year 2 Science

When the switch is closed , the ______ will light up.

• lamp

• buzzer

• bulb

What is a mixture?

• A mixture contains two or more materials that are mixed together

• A mixture contain one material and did not mix with anything

• A mixture is like flour

• I don't know the answer

What is hand-picking method most suitable for?

• To separate fine-sized materials and large sized materials

• To separate materials that can float and materials that sink

• To separate two or more big sized materials

• To separate solid materials from liquid materials

Choose the most suitable method to separate the mixture according to the picture.

• Filtration

• Floatation

• Sieving

• Hand-picking

Choose the most suitable method to separate the mixture according to the picture.

• Magnetic attraction

• Floatation

• Sieving

• Hand-picking

Choose the correct electrical component according to the picture.

• bulb

• switch

• dry cell

• connecting wire

Choose the correct electrical component according to the picture.

• bulb

• switch

• dry cell

• connecting wire

What makes sugar dissolve faster?

• using hot water

• using cold water

_________________ materials cannot dissolve in water.

• Soluble

• Insoluble

This picture shows two types of sugar. Which sugar dissolve more quickly in water?

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