Interpreting data and drawing conclusions from Science investigations
P5 Science · Practices of Science · 108 questions · difficulty D1–D5 · Singapore MOE-aligned
Sample questions
SAMPLE 1
A student did an experiment to test if salt dissolves faster in hot water. She expected salt to dissolve faster in hot water, but her results showed no difference. Before concluding her hypothesis is wrong, what two things should she check?
- A Check if the salt is fresh and if the water is clean.
- B Check if the experiment was done fairly (same amount of salt, same stirring) and if the measurements were accurate.
- C Check if the room temperature changed and if the clock was working.
- D Check if she used the same cup and if the water was from the same tap.
SAMPLE 2
A student built two circuits with identical bulbs and batteries. In the series circuit, one bulb was bright. In the parallel circuit, both bulbs were bright. What can you conclude about parallel circuits?
- A In a parallel circuit, each bulb gets the full battery voltage, so they are all bright.
- B Parallel circuits make bulbs dimmer because there are more bulbs.
- C The bulbs in parallel are bright because the battery is stronger.
- D Parallel circuits only work with two bulbs; more bulbs would be dim.
SAMPLE 3
A student grew three bean plants for 2 weeks: one with no light, one with some light, and one with full light. The table shows the plant heights: no light = 2 cm, some light = 8 cm, full light = 15 cm. What can you conclude from this investigation?
- A Plants grow best in no light because they are shorter.
- B Plants need light to grow well, and more light leads to more growth.
- C Light is not important for plant growth because all plants grew.
- D Plants only grow if they have full light; some light is not enough.
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