Basic Science and Technology Second CA

The movement of the earth about its own axis is called ______.

• Rotation

• Revolution

• Eclipse

• Orbit

The rotation of the earth about its axis causes ________.

• Different Seasons

• Day and Night

• Lightning and Thunder

• Earth Quake

Which of the following is true about solar eclipse?

• The sun is between the earth and the moon.

• The earth is between the sun and the moon.

• The moon is between the sun and the earth.

• A star is between the earth and the moon.

Which of the following is true about lunar eclipse?

• The sun is between the earth and the moon.

• The earth is between the sun and the moon.

• The moon is between the sun and the earth.

• Mars is between the earth and the moon.

Which of the following is a luminous object?

• Moon

• Sun

• Pluto

• Venus

Which of the eclipses is represented by the picture above?

• Solar eclipse

• Lunar eclipse

• Star Eclipse

• Orbit eclipse

From the picture above, the moon is a/an______.

• opaque object

• luminous Object

• transparent object

• translucent object

The movement of the earth round the sun is called ______.

• Rotation

• Revolution

• Eclipse

• Orbit

The movement of the earth round the sun causes _________.

• Different Seasons

• Day and Night

• Lightning and Thunder

• Earth Quake

Global warming is mostly caused by the release of two major harmful gases into the atmosphere. These gases are:

• Carbon dioxide and Chlorofluorocarbons

• Oxygen and Nitrogen

• Hydrogen and Sulphur

• Carbon dioxide and Oxygen