Learn Class 3 General Knowledge - Science and Technology

Students in class 3 study Science and Technology, which covers various subjects of science. The schools prescribe the same subjects. Today, science and technology play a crucial role in all areas of our lives. Our everyday lives rely heavily on new discoveries and new technologies.

What is science?

Basically, science is any system of information regarding the physical world and related phenomena that involves impartial observation and systematic analysis. In general, science aims to establish common knowledge facts or apply laws that are fundamental to nature.

Under the category of science, you will find the following topics:

  • Living and nonliving
  • Plants and animals
  • Our body
  • House
  • Safety and first aid
  • Our environment and our universe
  • Energy, work, and energy
  • Light and sound
  • Subject
  • Transport and Communication

What is technology?

We are living in the age of technology, and we are all familiar with it. Technology is taking over our lives, making it harder and harder to live without it. Learning about technology will be just as rewarding.

Science and Technology Sample Questions for Class 3

Question 1

Which of the following gemstones is red in colour ?
A. Emerald
B. Ruby
C. Heliodor
D. Aquamarine

Question 2

Fossil fuels are formed when heat and pressure are applied to remains of dead animals and plants over millions of years. It is a kind of fuel source that we will run out of , if we are not careful. Which of the following is not a fossil fuel ?
A. Petroleum
B. Natural gas
C. Water
D. Coal

Question 3

The American space mission Apollo XI was the successful mission to the Moon. Its landing craft, the Eagle, touched down on the moon's surface on 20th July, 1969. Who was the first human being to step on its surface ?
A. Edwin Aldrin
B. Neil Armstrong
C. James Lovell
D. Roger Chaffee

Question 4

Which of the following represent outer planets ?
A. Planets between Earth and Urenus
B. Planets in gaseous state
C. Planets without satellites
D. Asteroids

Question 5

The Earth is made of rocks. Some are soft whereas others are hard. Which whitish rock was used to build places and mansions
A. Talc
B. Rock salt
C. Marble
D. Graphite