Science 2 Honesty

2. What is the function of dry cell in an electric circuit ?

• Supply the energy

• Light up the bulb

• Connecting electric circuit

3. Predict what will happen if wire is replaced by thread in a circuit .

• Bulb will light up

• Bulb will not light up

• Bulb will burn

4. The diagram below shows an electric circuit .

Which material can replace the switch to light up the bulb in the above circuit ?

• Ruler

• Straw

• Lemon

5. What is meant by an insulator ?

• A material that cannot flow the electricity

• A material that can flow the electricity

• A material that can light a bulb

6 . Thalia wants to separate the nails that are mixed with sands in a container .

Which of the following separation method is suitable to use ?

• Sieving

• Magnetic

  attraction

• Hand-picking

7. Macey's mother wants to separate flour from peanuts that spilled into a container . Which of the following method is suitable to use ?

• Sieving

• Magnetic

  Attraction

• Filtration

8. Three glasses of water of different temperature were prepared . There are cold water , tap water , and hot water . Put a spoon of sugar into each glass and stir for 5 seconds . The times of sugar of each glass to dissolved are different . Which sugar dissolved fastest ?

• Tap water

• Hot water

• Cold water

9 . What is the most suitable tool to use to separate coarse sand and fine sand ?

• Magnetic attraction

• Sieving

• Filtration

10 . Which of the materials can dissolved in the water ?

• Metal nail

• Peanut

• A spoon of sugar

11. Which of the following will dissolve faster ?

• A spoon of sugar

• A cup of sugar

• A bowl of sugar