Learn Class 4 General Knowledge - Science and Technology

Science & technology play a vital role in the present time. We can play games and use the network availability due to technology.

Meaning of Science

The term 'science' stands for the systematic study of behaviour with the help of many experiments.

  • The term science also includes the observations along with the experiments.
  • Science does the studies of human civilization.

Meaning of Technology

The term 'technology' refers to skills, knowledge, and art.

  • Technology helps us in many ways. Like it helps in the better making of the products.
  • And technology also helps us to get knowledge.

Relationship between science & technology

Both science and technology are related to each other as they help each other. We can say that without science, there is no technology. And without technology, there is no science.

1. Science to technology:

  • Science helps in the development of the skills of humans.
  • Science also helps in the better development of the projects.
  • LIKE: bridge, building, etc.

2. Technology to Science:

  • Technology is considered a source of scientific challenges.
  • Measurement & instrumentation techniques.

With the help of scientific technology, we can make new things. And it also helps in the maintenance of the technology. One can also make many discoveries with the help of science.

Science and Technology Sample Questions for Class 4

Question 1

The body of this instrument is made of plastic or metal. It has 2 eyepieces at one end. The other end has 2 powerful lenses. With is this scientific instrument called?
A. Microscope
B. Kaleidoscope
C. Magnifying glass
D. Binoculars

Question 2

These objects are brilliant icy objects with long tail that visit our Solar System periodically. For example the one called Halley's can be seen every 76 years. Which celestial objects are we talking about ?
A. Meteors
B. Comets
C. Stars
D. Asteroids

Question 3

This constellation or group of stars, which is a sign of the zodiac, is named after weighing scales which is vaguely resembles. Name this constellation.
A. Sagittarius
B. Cancer
C. Libra
D. Taurus

Question 4

Which common material used by human beings is obtained from sand ?
A. Rubber
B. Glass
C. Flax
D. Wool

Question 5

He was a mathematician and physicist. The idea of gravity came to him when an apple fell on his head while sitting under an apple tree. Who was this famous scientist ?
A. Carl Edward Sagan
B. Sir Isaac Newton
C. Charles Darwin
D. Albert Einstein