Chapter 1 : What is science? Flashcards
What is science?
Science is natural phenomena.
Why do we study science?
To know more about ourselves and the environment around us.
How do we gain scientific knowledge?
By systematic study and careful observations.
What are the main branches of science?
Chemistry, biology, physics.
Science branches :
Life Science : Biology, Entomology.
Earth Science : Geology, Meteorology, Astronomy.
Physical Science : Physics, Chemistry.
What are the careers in life science?
Doctor, nurse, pharmacist.
What are the careers in earth science?
Geologist, meteorologist, volcanologist.
What are the careers in physical science?
Chemist, physicist, engineer.
Why is science important?
- Solves science mysteries.
- Create job opportunities.
- New discoveries.
What are the importance of science in agriculture?
Good quality strains, pesticides, engines and machines for harvesting and planting.
What are the importance of science in information technology (IT)?
Fast communication, produce synthetic material, produce machine and steels.
What are the importance of science in transportation?
More comfortable infrastructures.
What are the importnace of science in medicine?
Modern medical equipments, new techniques like orga transplant.
What is a science lab?
A room for conducting scientific investigations.
List out 5 rules and safety precaution in the lab.
- Never enter the lab unless a teacher is present.
- Never run or play in the lab.
- Do not eat or drink in the lab.
- Do not taste any chemical.
- Never leave experiments unattended.
Science apparatus for holding amount of liquid and carrying out chemical reactions.
Test tube, conical flask, beaker, flat bottomed flask, round bottomed flask.
Science apparatus for measuring.
Pipette : to measure fixed amount of volume.
Burette : to measure small amount of volume.
Measuring cylinder : To measure liquid.
Science apparatus for support.
Retort stand : To hold, support apparatus.
Tripod stand : Support apparatus during heating.
Science apparatus for fire.
Bunsen burner : Flame for heating.
Wire gauze : To ensure even heating, support apparatus.
What’s the function of a filter funnel?
Used with filter papar to filter out solid and liquid.
Science apparatus for test tube.
Test tube holder : To hold test tube while heating.
Test tube stand : To place he test tube.
