Int- Science

Question 1

What is the definition of Science?

Answer 1

Science is a system of obtaining knowledge trough experimentations and observations so as to elucidate to reduce phenomena

Question 2

What is the definition of Technology?

Answer 2

Technology is combined with skills, designs, techniques, processes and products dedicated to creating instruments or to complete scientific investigation

Question 3

How do Science and technology differ?

Answer 3

1. Technology concerns the human-built world whereas Science concerns the natural earth or universe
2. Technology concerns creation whereas science concerns discovery

Question 4

What are the five main branches of Science?

Answer 4

1. Chemistry
2. Biology
3. Physics
4. Geology
5. Astronomy

Question 5

What are the steps in the scientific method?

Answer 5

1. Purpose
2. Research
3. Hypothesis
4. Procedure
5. Analysis
6. Conclusion

Question 6

What are the steps in the Scientific report?

Answer 6

1. Aim
2. Materials
3. Apparatus
4. Procedure
5. Results
6. discussion
7. Reflection
8. Conclusion

Question 7

What are the 3 variables?

Answer 7

1. Independent variable
2. dependent variable
3. Constant variable

Question 8

What is a measurement?

Answer 8

A measurement is a quantitative description of 1 or more properties compared to a standard

Question 9

What are 3 reasons measurements are important?

Answer 9

1. It ensures the accuracy is maintained when performing experiments
2. It caters for unreliability of senses
3. It allows scientist to use a standard to express the quantity being measured.

Question 10

What are the 6 measurements?

Answer 10

1. Length - m
2. Mass - kg
3. Volume - m 3
4. Time - s
5. Temperature - K
6. Electric current - A

Question 11

3,500,000 =
(Scientific notation)