ETV – Scientific MethodUnit 1 – Introducing Science

1. Mixing which of the following causes milk to coagulate?

Milk + tea

Milk + sugar

Milk + lemon juice

Milk + water

2. Which of the following substances will cause coagulation when mixes with milk?

(I) only

(I) & (II) only

(I), (II) & (III) only

(I), (II), (III), (IV)

(I) Orange juice(II)Vinegar(III)Grapefruit juice(IV)Lemon juice

3. The first step of scientific method is

Designing experiment

Information gathering

Observation

Making hypothesis

4. The second step of scientific method is

Making hypothesis

Information gathering

Designing experiment

Doing experiment

5. The hypothesis made by the two students in the video clip is

Milk coagulates when it is mixed with lemon juice.

Milk coagulates whenever it is mixed with acidic liquids.

Milk coagulates when it is mixed with lemon tea.

Milk always coagulates.

6. Which of the following is the fifth step of scientific method?

Making hypothesis

Performing experiment

Analysis of data

Drawing conclusion

7. According to the information in the video clip, scientific method

(I) & (II) only

(I) , (II)& (III) only

(I), (II) & (IV) only

(I), (II), (III) & (IV)

(I) is an human activity(II) allows us to understand

our surroundings.(III)can improve our living

standard(IV)finds out the laws of

nature

8. Aristotle is a great philosopher of

England

Italy

Ancient Rome

Ancient Greece

9. Aristotle made the conclusion of “ The speed of objects falling is in direct proportion to the weight of the objects”

as he observed (I) only

(I) & (II) only

(II) & (III) only

(I), (II) & (III)only

(I) Apple falling onto the ground(II)Leaves falling onto the ground(III)Stones falling onto the ground

10. Aristotle’s theory has been accepted for over 2000 years until it was query by _______.

Isaac Newton

Galileo Galilei

Albert Einstein

Marie Curie

11. Which of the followings are applications of scientific method mentioned in the programme?

(I) & (II) only

(II) & (III) only

(I), (II) &(III)

(I), (II), (III) & (IV)

(I) Diagnosis of illness by doctors

(II)Product testing in the Consumer Council.

(III)Model Building and simulation

(IV)Forensic investigations

12. In the example “diagnosis of illness by doctor”, which of the followings cannot be regard as the step of “ gathering

information”? Collecting urine sample from the patient and perform tests on it.

Performing blood test for the patient.

Examining the eye of the patient.

Examining the skin of the patient.

13. In the example “diagnosis of illness by doctor”, which of the followings can be identified as the step of “ performing

experiment”?

Collecting urine sample from the patient and perform tests on it.

Performing blood tests for the patient.

Examining the eye of the patient.

Examining the skin of the patient.