How many images of a candle will be form | Class 8 Science Chapter Light, Light NCERT Solutions

Describe with the help of a diagram an instrument which can be used to detect a charged body.

Sketch larynx and explain its function in your own words.

Arrange the following boxes in proper order to make a flow chart of sugarcane crop production.

Make a labelled diagram of a candle flame.

What is metamorphosis? Give examples.

The following Table shows the total power shortage in India from 1991– 1997. Show the data in the form of a graph. Plot shortage percentage for the years on the Y-axis and the year on the X-axis.

Make sketches of animal and plant cells. State three differences between them.

What is a constellation? Name any two constellations.

Describe the construction of a kaleidoscope.

Complete the crossword with the help of clues given below:
Across
1. This is necessary for photosynthesis.
3. Term for component present in the cytoplasm.
6. The living substance in the cell.
8. Units of inheritance present on the chromosomes.

Down
1. Green plastids.
2. Formed by collection of tissues.
4. It separates the contents of the cell from the surrounding medium.
5. Empty structure in the cytoplasm.
7. A group of cells.

List three states in India where earthquakes are more likely to strike.

Define asexual reproduction. Describe two methods of asexual reproduction in animals.

What is menstruation? Explain.

Why should paper be saved? Prepare a list of ways by which you can save paper.

Make a labelled diagram of a candle flame.

How is an embryo developed?

Explain how deforestation leads to reduced rainfall.

Give two examples each of situations in which you push or pull to change the state of motion of objects.

Describe the construction of a kaleidoscope.

Describe an activity to show that the incident ray, the reflected ray and the normal at the point of incidence lie in the same plane.