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

We can see our image clearly in running water.

Tracing paper is transparent.

Amphibians can live in air and in water.

In irreversible changes original substances can be obtained again.

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 pods of beans and peas are actually fruits.

Magnetism of electromagnet is permanent.

A winding road or ghat is an example of lever of first order.

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

The function of the brain is well developed in vertebrate.