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Science Physics Topics Flashcards

6 cards from real PSLE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Science Physics Topics flashcards as text

  1. What is the unit used to measure electrical energy consumption at home?

    Answer: Kilowatt-hour

    Electrical energy consumption is measured in kilowatt-hours (kWh). Your electricity bill is based on how many kWh you use.

  2. Which of the following materials allows light to pass through completely?

    Answer: Transparent glass

    Transparent materials like clear glass allow light to pass through completely, so you can see clearly through them.

  3. What is the effect of increasing the number of batteries in a circuit (connected in series)?

    Answer: The bulb gets brighter

    Adding more batteries in series increases the total voltage, which pushes more current through the circuit, making the bulb brighter.

  4. What type of simple machine is a seesaw?

    Answer: Lever

    A seesaw is a type of lever — it has a fulcrum (pivot point) in the middle and loads on either end.

  5. What happens to water when it is heated from 0°C to 100°C?

    Answer: It changes from solid to liquid to gas

    At 0°C, ice melts to water (solid to liquid). As heating continues, at 100°C water boils to steam (liquid to gas).

  6. Which force allows a parachute to slow down a skydiver?

    Answer: Air resistance

    Air resistance (drag) pushes against the large surface area of the parachute, opposing gravity and slowing the skydiver.

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