Heat Transfer in Nature — Science STD 7 — Question

Write word equations for two chemical reactions with the help of materials given in the box.
(Air, copper sulphate, iron, vinegar, iron oxide, carbon dioxide, iron sulphate, copper, lime water, water)

What is the role of pseudopodia in amoeba's life?

Fill in the blank: The inner surface of a steel spoon acts as a ___________ mirror.

Waste carbon dioxide and urea are removed from our body by which organs?

Who should adolescents talk to if they feel confused?

Name the pigment that makes leaves green.

The nails attract the pins. Comment.

If the filament of the bulb is broken, would the circuit be complete? Would the bulb still glow?

What is the motion of our hands while running?

What do you mean by an electric circuit?