Category: 7th Class

A Tiger in the House

Exercise Explain to your partner why you think your answer is correct. Quote from the text if necessary. When did Grandfather discover the tiger cub? Who named him “Timothy”? Who fed him? What was...

Constellations and Galaxies

Summary of constellations and Galaxies Solved exercise of constellation and galaxies Summary It is difficult to see any objects other than sun in the day sky. the moon, some planets and bright, shine, beautiful...

Friction

Summary of friction Solved exercise of friction Summary Friction is such a force which tends to slow down or stop the moving bodies. Frictional force always acts in the direction opposite to motion. Example:...

Light

Summary of light Solved exercise of light Summary We need light for everything probably except when we sleep. The sun is the earth’s primary source of light. light is essential for the existence of...

The Triangle and its Properties

The Triangle and its Properties

Solved exercise on triangle and its properties Exercise 1. In ∆PQR, D is the mid-pointof QRPM isPD is  If QM = MR? Solution:PM is altitude.PD is median.No, QM ≠ MR. 2. Draw rough sketches for the following...

ACIDS,BASES AND SALTS

In our daily life we make use of variety of substances, they are differ in taste and physical state. The substances may be either acids ,bases or salts. ACIDS  The word acid comes from...