growth and nutrients
If you check food samples for the presence of starch.
What is solution do you use.
Iodine solution
Is smoking always bad?
No
When do you see reflection in real life?
Ex:mirror
Which color is in between Red and Yellow?
Orange
What happens to the angle of refraction when a ray of light enter a denser medium?
It becomes smaller
Name one main source of fibre.
Grain/Seeds/Fruits/Vegetables
What does nicotine do to your body?
Ex:smoker’s lungs become dirty.
What is the angle of reflection when the angle of incident is 30°?
30°
Why is UV(Ultra Violet) light dangerous?
Wave length is short so it’s powerful and UV(Ultra Violet)breaks DNA.
What does Dispersion means?
Splitting into different colors.
What is do you call those people aged 13~16 years old?
Adolescent
Why is eating a balanced diet important?
ex:We need to eat a balanced diet, because it is unhealthy to only grow certain body parts.
Give an example of the law of reflection
The angle of reflection is equal to the angle of incidence
Why does the light turn black when we put a different coloured filter on top of it?
Ex: Light turns black when we put a different coloured filter, because a filter absorbs other colours of light.
What did Isaac newton found out about light?
He found that white light can be dispersed by a prism