Natural Resources – Air, Water and Land — Science STD 6 — Question

We should reuse available resources.

The function of the brain is well developed in vertebrate.

Classify the following into natural and man-made/artificial sources of light. (tubelight, light bulb, torch, burning candle, the sun, fireflies, anglerfish, honey mushroom, stars in the night sky, oil lamps, lanterns)

The magnetic force is concentrated at the centre of the magnet.

Magnetism of electromagnet is permanent.

The amount of gases in the air is greatest near the surface and becomes rarer at higher

We see the candle clearly when we bend the tube.

Screw is an example of wedge.

Magnetism is a kind of energy.

Identify the transparent, opaque and translucent objects from among the following. (piece of glass, wax paper, tinted glass, oil paper, white plastic, a tea kettle, a notebook, cloth, water, a wooden cupboard, sheet of notebook.)