Chapter 1

Question 1

Science is divided into the following branches

Answer 1

Physics
Chemistry
Biology

Question 2

What is the study of Physics?

Answer 2

Study of matter, forces and energy

Question 3

What is the study of Chemistry?

Answer 3

Study of structure, properties and changes of substances

Question 4

What is the study of Biology?

Answer 4

Study of living things

Question 5

A scientist studies and practices science through scientific inquiry involving

Answer 5

Attitudes
Skills
Processes

Question 6

What are the proper attitudes required

Answer 6

Creative
Cooperative
Curious
Humble
Imaginative
Objective
Open Minded
Perseverance
Responsible
Truthful

Question 7

How is being creative important?

Answer 7

Thinking out of the box to resolve problems

Question 8

How is being cooperative important?

Answer 8

Working as a team and sharing information with each other, building new research and observations

Question 9

How is being curious important?

Answer 9

Continuously asking ‘why’ sourcing for solution and explanation

Question 10

How is being humble important?

Answer 10

Willing to accept their wrongs and change their ideas

Question 11

How is being imaginative important?

Answer 11

Generate possibilities about the things that they cannot see or don’t know

Question 12

How is being open minded important?

Answer 12

Not bias and open to new ideas at the same time not believing that all read and discovered is true

Question 13

How is being perseverance important?

Answer 13

Determination

Question 14

How is being responsible important?

Answer 14

Ensure that we dot harm or destroy endangered animals or plants

Question 15

How is being truthful important?

Answer 15

Honest whilst recording data through experiment

Question 16

What are the skills needed in Science?

Answer 16

Posing questions
Observing
Measuring
Communication
Inferring
Predicting
Formulating hypothesis
Thinking skilld

Question 17

What is step 1 in conducting experiments?

Answer 17

The hypothesis or aim of experiment

Question 18

What is step 2 in conducting experiments?

Answer 18

Planning of experiment

Question 19

What is step 3 in conducting experiments?

Answer 19

Method

Question 20

What is step 4 in conducting experiments?

Answer 20

Recording result

Question 21

What is step 5 in conducting experiments?

Answer 21

Conclusion, inferring from result

Question 22

What is step 6 in conducting experiments?

Answer 22

Evaluate, to state limitation and suggest in which way the experiment can be improved

Question 23

What are the types of hazardous symbols?

Answer 23

Corrosive
Explosive
Flammable
Harmful
Poisonous
Radioactive

Question 24

What are common apparatus in science labs?

Answer 24

test tube
conical flask
tripod stand
filter funnel
measuring cylinder
evaporating dish
beaker 
restort stand
dropper

Question 25

What is the first step in dealing with bunsen burner?

Answer 25

Ensure connect to gas tap with rubber tubing

Question 26

What is the second step in dealing with bunsen burner?

Answer 26

Turn the collar to close airhole

Question 27

What is the third step in dealing with bunsen burner?

Answer 27

Hold lighter near top of barrel

Question 28

What is the fourth step in dealing with bunsen burner?

Answer 28

Turn on gas tap slowly

Question 29

What is the fifth step in dealing with bunsen burner?

Answer 29

Ignite burner with lighter

Question 30

What is the sixth step in dealing with bunsen burner?

Answer 30

Open airhole

Question 31

What are the 2 types of flame that the bunsen burner produces

Answer 31

luminous | non luminous

Question 32

When does a luminous flame occur?

Answer 32

When the air-hole is closed, little air passing hence does not burn completely

Question 33

When does a non luminous flame occur?

Answer 33

When the air-hole is open, a steady stream of air enters hence gas burn completely

Question 34

What are characteristics of luminous flame?

Answer 34

``` yellow weak and unsteady not very hot produces smoke and soot not suitable for heating ```

Question 35

What are characteristics of non luminous flame?

Answer 35

``` blue strong and steady very hot does not produces smoke and soot suitable for heating ```