Science

Question 1

atmosphere

Answer 1

the thin layer of gases that surrounds

Question 2

climate change

Answer 2

change in global weather patterns

Question 3

incomplete combustion

Answer 3

When a fuel burns with a lack of oxygen
Produces toxic carbon monoxide

Question 4

carbon dioxide

Answer 4

molecule containg two oxygen atoms bonded to one carbon atom

Question 5

greenhouse gas

Answer 5

a gas that stops heat escaping from earth into space

Question 6

carbon footprint

Answer 6

the total amount of carbon dioxide and other greenhouse gases given out over the life of a product

Question 7

particulate

Answer 7

small solid particle given off from vehicles as a result of incomplete combustion

Question 8

nitrogen oxides

Answer 8

toxic gases produced when the high temperature inside an engine makes nitrogen

Question 9

carbon monoxide

Answer 9

A molecule containing a carbon atom bonded to an oxygen atom

Question 10

Force (n)

Answer 10

force = mass x acceleration
Force is the energy required to move a mass of 1kg at an acceleration of 1 metre per second squared

Question 11

weight(n)

Answer 11

weight = mass X gravitational field strength

Question 12

Density (kg/m2)

Answer 12

Density = mass ÷ volume

Question 13

moments (N/M)

Answer 13

moments = force X distance

Question 14

terminal velocity

Answer 14

constant speed that a freely falling object eventually reaches when the resistance prevents any more acceleration

Question 15

Contraception

Answer 15

methods used to prevent pregnancy

Question 16

Follicle stimulating hormone (FSH)

Answer 16

a female reproductive hormone that causes the eg to mature in the ovary

Question 17

Glucagon

Answer 17

a hormone produced by the pancreas that causes glycogen to be converted into glucose and released into the blood

Question 18

Testosterone

Answer 18

the main male reproductive hormone produced by the testes.
It stimulates sperm production

Question 19

Type 1 diabetes

Answer 19

A disorder in which the pancreas fails to produce sufficient insulin. A person has uncontrolled high blood sugar levels

Question 20

Type 2 diabetes

Answer 20

a disorder there the body cells no longer respond to insulin produced by the pancreas

Question 21

Auxin

Answer 21

a plant hormone which regulates growth

Question 22

Oestrogen

Answer 22

a sex hormone released from the ovary that plays a role in the menstrual cycle

Question 23

Luteinising Hormone

Answer 23

A hormone that triggers the releases an egg during ovulation

Question 24

Gland

Answer 24

An organ that releases a hormone into the body

Question 25

Hormone

Answer 25

A chemical messenger released from a gland

Question 26

What are the 6 symptoms of Diabetes

Answer 26

1. Excessive thirst
2. High blood sugar
3. Weight loss
4. Fatigue
5. Wounds heal slowly
6. Blurry vision

Question 27

What prevents diabetes

Answer 27

Eating healthy diet
Exercise