Motion — PHYSICS STD 7 — Question

The energy possessed by a body due to its position is called ________ energy.

The temperature of pure melting ice is taken as the ___________ standard point.

When a solid directly changes to gaseous state on heating, without changing to the liquid state, the gaseous material so formed is called ___________ .

The weight of a body can be___________ but not the mass.

Mercury is commonly used as ___________ liquid as it stays a liquid over a wide range in temperature.

The density of water is 1 gcm^-3. Therefore, 1 cm³ of water has a ___________ of 1 g

A magnet has ______ poles.

The appropriate unit to express the area of a two rupees coin is___________ .

The image formed by a plane mirror is erect and _____

If an object covers ________ distances in __________ intervals of time along a straight line, it is said to have a uniform motion.