I. NAME THE FOLLOWING:
1. It helps to reduce deaths due to infections- _______________________
2. A machine that produces electricity- __________________________
3. It can take pictures inside a person’s body- ______________________
4. A source of energy found deep inside the earth- _______________________
II. STATE WHETHER THE STATEMENTS ARE TRUE OR FALSE:
1. The discovery of iron helped humans progress faster. __________________
2. Antibiotics prevent the growth of bacteria. _______________
3. Dams are built across rivers to produce atomic energy. ______________
III. FILL IN THE BLANKS:
1. The early humans made tools from __________________
2. Doctors give the patient _______________________ to make them unconscious.
3. ____________________ magnifies a tiny object and makes it look much larger.
IV. ANSWER THE FOLLOWING QUESTIONS.
1. What do you understand by ‘Industrial Revolution’?
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2. Mention the basic difference between medicines and vaccines.
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3. Name any two alternative sources of energy.
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4. What is the use of a stethoscope?
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5. When and where did the Industrial Revolution begin?
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6. What do you understand by pasteurization?
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7. Describe Scanners.
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8. How was the discovery of iron important to the history of humans? (Any two)
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Please click on below link to download CBSE Class 5 Social Science Worksheet D Solved
