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WorksheetsGRADE 5-SSC SCIENCE LESSON 2 WEEK 2 ELECTRICITY
Total questions: 10
Worksheet time: 5mins
Which of the following does NOT belong to the group?
A. aluminum
B. copper
C. plastic
D. iron
Some materials which allow electric current to flow through them are called _____.
A. insulators
B. convectors
C. conductors
D. radiators
Materials that block electric current from flowing are called _____.
A. insulators
B. convectors
C. metal
D. copper
Why are electric wires usually made up of copper?
A. Copper is a good insulator.
B. Copper is a good conductor.
C. Copper is a poor insulator.
D. Copper is a poor conductor.
Which of the following is an insulator?
A. iron
B. rubber
C. water
D. aluminum
Cooking pans are usually made of aluminum and stainless steel because___.
A. Aluminum and stainless steel are good conductors of heat.
B. Aluminum and stainless steel are good conductors of electricity.
C. Aluminum and stainless steel have very high density.
D. Aluminum and stainless steel are very strong.
You can protect yourself from the harmful effects of conductors by using ___.
A. conductors
B. convectors
C. radiators
D. insulators
Which of the following materials are good conductors and heat?
A. ceramic cups, disposable glass, silver
B. iron nail, silver, copper
C. glass, cloth, paper
D. aluminum, plastic, rubber
Which among the following materials is useful in cooking food.?
A. ceramic mug
B. aluminum casserole
C. metal spoon
D. plastic cup
Aluminum and gold are good conductors of heat and electricity. Which characteristic is common between them?
A. ductile
B. porous
C. valuable
D. brittle
