Topic 1 ~ Intoduction To Science

Question 1

Label parts of the Bunsen burner.

Answer 1

Barrel, air holes, collar, base, gas hose and gas tap

Question 2

Steps to light a Bunsen Burner

Answer 2

1) Connect gas hose to the gas tap
2) Make sure the air hole is closed
3) Light the match and place over the top of the barrel
4) Turn your gas on
5) Your Bunsen burner should now be alight with a yellow flame.
6) This is called a safety flame because it is easy to see
7) Gently open the air hole until you have a blue flame
8) This is the flame we use to heat things, it is the hottest flame
9) If your Bunsen goes out, turn the gas off straight away and start again

Question 3

What is in a Scientific Report?

Answer 3

Aim
Hypothesis 
Materials
Method
Results and Observations 
Discussion
Conclusion

Question 4

Variables:

Answer 4

Independent: What I will change

Dependent: What I will measure

Controlled: What I will keep the same

Question 5

How do you calculate the average?

Answer 5

Average= the total sum of scores / number of scores

Question 6

What should you always have on a graph?

Answer 6

• a heading
• X and Y axis labelled
• straight line to meet the points up

Question 7

Scientific equipment:

Answer 7

• metal tongs
• watch glass
• test tube holder
• test tube rack
• retort stand (clamp, boss head)
• beaker
• conical flask
• round bottom flask
• filter funnel
• gauze mat
• tripod
• measuring cylinder
• test tube
• spatula
• stirring rod

Question 8

Different types of Measurements:

Answer 8

°C, F, grams, kilograms, newtons