PERIODIC TEST- 4 (Based on Chapters 14 to 18)
V K Sally Science Solutions for Exercise - PERIODIC TEST- 4 (Based on Chapters 14 to 18)
Simple step-by-step solutions to PERIODIC TEST- 4 (Based on Chapters 14 to 18) questions of Periodic Test-4 from Learning Elementary Science for Class 7. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from PERIODIC TEST- 4 (Based on Chapters 14 to 18) with Hints & Solutions
Name three kinds of mirrors. State the nature of image formed in them, when held close to the face.
Mention the factors responsible for the depletion of the water table.
Mention the names of the plants which provide us food.
Mention the names of the plants which provide us medicine.
Mention the names of the plants which provide us the following:
Clothing
Aaradhya made an electric circuit using a cell holder, is switch and a bulb. When she put the switch in the ‘On’ position, the bulb did not glow. Help Aaradhya in identifying the possible defects in the circuit. Explain briefly.
Take a convex lens and a piece of paper. Adjust the distance between the lens and the paper till you get a small bright spot on the paper. Hold the lens and the paper in this position for a few minutes. State your observation and give reason in support of your observation.
If you dig a hole in the ground near a water body, you may find the soil is moist. How does such soil become moist? Explain briefly.
