This lesson contains WASSCE S.H.S 1 INTRODUCTION TO SCIENCE knowledge. We encourage those in SHS1, SHS, and SHS 3 to read through as lessons and or revisions.
Introduction to Science questions and answers sec 1
Give three examples of technologies …food technology, information communication technology, nuclear technology, biotechnology, etc
- Give four examples of science careers…engineering, medicine, pharmacy, nursing, geologist, science teacher, chemist, biologist, etc
- A body of techniques for investigating phenomena and acquiring new knowledge, as well as for correcting and integrating previous knowledge, is known as … scientific method.
- The approach for acquiring knowledge in natural science is called.. scientific method.
- What method do scientists use in their research as well as to acquire knowledge…scientific method.
- An educated guess about how things work is known as …hypothesis
- List the scientific method….ask a question, do background research, construct a hypothesis, test your hypothesis by doing experiment, analyze your data and draw conclusion, communicate your result.
- State two importance of the scientific method
a. The scientific method provides us with the knowledge that can be verified.
b. It provides a logical procedure for gaining knowledge.
Introduction to Science questions and answers section 2
- Do not smell (an unknown) gas with the nose very close to the test tube containing the gas in the laboratory because ….. the unknown gas could be poisonous or harmful to the body.
- Do not add water to concentrated mineral acids in the laboratory because…. it may generate heat or explosion which can be harmful.
- Do not wear rubber slippers in the laboratory because… because… one could slip off and cause breakage or harm him or herself.
- do not wash the hands with an unknown colorless liquid in any container because … it the liquid may be corrosive and burn the hand.
- Do not open a gas tap before looking for a match to light the Bunsen burner because …the gas will leak into the surrounding air and lighting a match afterward will cause the gas to inflame or fire outbreak.
- Do not drop a large piece of sodium metal into the water… because sodium metal reacts with water to form sodium hydroxide which is corrosive and may cause burns.
- do walk barefooted in the laboratory because… walking barefooted in the laboratory exposes one to the risk of stepping on splashed chemical or a fallen pin or pointed object which can harm them.
- Do not chew or eat some food substance in the laboratory because…some chemicals in the laboratory might be poisonous which will contaminate the food being eaten.
- Close all taps before leaving the laboratory because…the laboratory will be flooded or filled with flammable gas if the taps are left on overnight.
- Spilled water must be cleaned immediately so as to prevent…slipping.
We hope this Introduction to Science questions and answers from SHS 1 Integrated Science curriculum was helpful.
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