Sun safety

Question 1

Why do you need Vitamin D?

Answer 1

For strong and healthy bones, helps to absorb calcium

Question 2

What are the 3 types of UV rays?

Answer 2

UVA, UVB and UVC

Question 3

Which of the 3 types of UV rays are more?

Answer 3

UVA

Question 4

Which type of UV rays easily pass through the ozone layer?

Answer 4

UVA

Question 5

What is the ozone layer?

Answer 5

The layer in the earth’s atmosphere that acts as a protective shield

Question 6

What are the dangerous effects of the UV rays on the human body?

Answer 6

Sunburns, skin cancer and cataracts in the eyes

Question 7

Which is the most dangerous form of skin cancer?

Answer 7

Melanoma

Question 8

Does ozone layer absorb UVB rays?

Answer 8

Yes, most but not all are absorbed

Question 9

Does ozone layer absorb UVC rays?

Answer 9

Yes, completely

Question 10

What is melanin?

Answer 10

Skin pigment that absorbs UV rays before they cause skin damage.

Question 11

What will happen to people with a very light skin colour?

Answer 11

They have much less melanin, so they are at higher risk of skin damage when exposed to sun, so at high risk of sunburn and skin cancer.

Question 12

What is skin tanning?

Answer 12

Changes in skin colour because of too much melanin on sun exposure

Question 13

Which times of the day is the sun strongest?

Answer 13

Between 10 and 4 pm

Question 14

What is called as invisible sun?

Answer 14

Sun rays that come through the clouds and still cause damage

Question 15

What are the different ways by which you can protect yourself from the sun>

Answer 15

By covering up, by using sunscreen and by using protective eyewear

Question 16

What is SPF?

Answer 16

Sun Protective factor

Question 17

What is the ideal SPF that will help protect your skin?

Answer 17

SPF 30 and above

Question 18

How often should you reapply sunscreen when exposed to sun?

Answer 18

Every 2 hours

Question 19

Where was Marie Curie born?

Answer 19

Poland

Question 20

Why did she move to France?

Answer 20

To pursue her interest in science. At that time in Poland, women were not allowed in universities.

Question 21

How did Marie Curie help out in the First World war?

Answer 21

By inventing x-ray machines and helping soldiers

Question 22

Who was her husband?

Answer 22

Pierre Curie

Question 23

What was the name of the asteroid named after Curie?

Answer 23

7000 Curie

Question 24

Where was the highest temperature recorded recently?

Answer 24

Death Valley in Mojave Desert, California- 54.4 degrees