Why is it important to clean tools after use?

• To make them heavier

• To keep them in good condition

• To throw them away

• To change their color

Which of these is used to keep floors clean?

• Hammer

• Broom

• Screwdriver

• Spanner

Lubricating a bicycle chain helps to:

• Make it dirty

• Make it rusty

• Make it move smoothly

• Stop it from working

What should you do if a tool is broken?

• Hide it

• Sell it

• Repair or replace it

• Paint it

Lemon juice tastes:

• Sour

• Sweet

• Bitter

• Salty

Which of these is a base?

• Vinegar

• Soap

• Orange juice

• Milk

What does litmus paper do?

• Measures temperature

• Tests for acids and bases

• Makes sound

• Stores electricity

What color does blue litmus paper turn in acid?

• Yellow

• Red

• Blue

• Green

What is used to turn electricity on or off?

• Switch

• Fan

• Light

• Bulb

Which of the following is a source of electricity?

• Battery

• Table

• Chair

• Book