T3 CH6 Visual Communication — Science STD 7 — Question

Which of the following is correct

Large crystals of pure substances can be obtained from their solutions by the process of ____________

Reproductive part of a plant is

The first aid is to ______.

______ is an example of a periodic change.

J.J Thomson’s atom model is also called as ________

In thermometer when bulb comes in contact with hot object, liquid inside it ______.

Which of the following facts explain how shadows are formed?
Light travels in straight lines
Opaque bodies do not allow light to pass through them
Reflection occurs at a smooth surfaces like mirrors
Lateral inversion happens

Sivarajan placed a meter stick in the playground at 7.00 am in the morning. How will the shadow of the stick at noon look in comparison to the one in the morning

Electricians wear rubbers gloves because it is ____________