Grade 7 Integrated Science · Strand 1: Scientific Investigation · Introduction to Integrated Science
Basic Science Skills and SI Units
A short Grade 7 Integrated Science lesson for the CBE curriculum, part of Scientific Investigation: Introduction to Integrated Science. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
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1. Wanjiru adds calcium carbonate to acid in a test tube. Which of the following is an inference rather than an observation?
- A. The liquid produced bubbles
- B. The liquid turned cloudy white
- C. Carbon dioxide gas was released in a chemical reaction
- D. The test tube felt slightly warm to touch
2. A hot beaker burns Otieno's fingers during an experiment. What is the correct first aid response?
- A. Apply cooking oil to the burn
- B. Hold the burn under gentle running cold water for at least ten minutes
- C. Wrap the burn tightly in a dry woollen sweater
- D. Ignore it and continue the experiment
3. A packet of maize flour is labelled 2 kg. Express this mass in grams.
Type your answer (in g) in the lesson.
4. What name is given to the error that occurs when you read a measuring cylinder scale with your eye above or below the level of the liquid meniscus?
Type your answer in the lesson.
5. Which of the following correctly matches a base quantity with its SI unit and symbol?
- A. Mass – gram (g)
- B. Temperature – degree Celsius (°C)
- C. Electric current – ampere (A)
- D. Time – minute (min)
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