Science Practice Questions PDF

1. (a) The girl is looking at the large mirror in front of her. She can see the reflection of the back of her head. The hairdresser is holding a small mirror. An arrow has been drawn to show the direction of some light. Draw TWO more arrows to...

1. (a) The girl is looking at the large mirror in front of her. She can see the reflection of the back of her head. The hairdresser is holding a small mirror. An arrow has been drawn to show the direction of some light. Draw TWO more arrows to show how the girl can see the reflection of the back of her head. (b) The scissors look shiny. Why do scissors look shiny? Tick ONE box. Light passes through them. They are sharp. They reflect light. They give out light.  2. Look at the picture of a firework display. Fireworks transfer different types of energy into the environment. Write down two of these types of energy. Sound Energy Heat Energy 3. He will not be able to see the candle light. The card C will block the path. To get correct / accurate result without any error. 4. straight reflected 5. solid liquid melting By freezing the water, we can change water into ice. 6. 7. Shana builds the three circuits below. All the equipment works. The bulbs in the circuits are not lit up. Complete each sentence to explain why the bulb has not lit in each circuit. The bulb has not lit because the plastic spoon is an insulator / a bad conductor of electricity.  The bulb has not lit because the switch is off so the circuit is incomplete, electricity will not pass through it. The bulb has not lit because the batteries are not connected properly. Producer / Plant 9. The sun The sun is bigger than the earth in the solar system. The earth is not tilted. There is no orbit and other planets. The side ‘X’ is facing the sun, so it is day time there and the opposite side of ‘X’ doesn’t get sunlight there it is night.