Miss Lee Science Yr. 8

Question 1

What is a Carbohydrate and how can it be tested

Answer 1

A carbohydrate is a food nutreint that gives us energy, it can be tested using iodine

Question 2

What is Protein and how can it be tested

Answer 2

Protein is a food nutrient that helps us to regrow muscle, it is tested using biuret

Question 3

Vitamins

Answer 3

Vitamins are food nutreint that help the body all round, there differnt types of vitamins for each aspect of the body

Question 4

Minerals

Answer 4

Minerals are a food nutrient that help to make red blood cells and make bones stonger

Question 5

What are Lipids (fats) and how can they be tested

Answer 5

Lipids are a food nutrient that give us energy and insulation, it is tested using ethanol

Question 6

A balanced diet

Answer 6

A diet that contains the correct amount of every nutreint

Question 7

To test for sugars you use

Answer 7

Benedicts solution

Question 8

A drug to make you awake is called a

Answer 8

Stimulant drug

Question 9

A drug to make you drowsy is called a

Answer 9

Depressant drug

Question 10

Element

Answer 10

An element is a substance that consists of one type of atom

Question 11

Group

Answer 11

A group is how the elements are sorted on the periodic table they correspond to the substances reactivity

Question 12

Period

Answer 12

A period is another way elements are sorted on the periodic table

Question 13

Alkali metals

Answer 13

The alkali metals are all the metals from group 1 of the periodic table

Question 14

Alkaline earth metals

Answer 14

The alkaline earth metals are all the metals in group 2

Question 15

Halogens

Answer 15

The halogens are all the element in group 7

Question 16

Noble gases

Answer 16

The noble gases are all the elements in group 0( group 8)

Question 17

Transition metals

Answer 17

The transition metals are all the metals between group 2 and 3 on the periodic table

Question 18

Periodic table

Answer 18

The periodic table is a table that houses all of the known elements

Question 19

Metal+acid=

Answer 19

Metal salt+hydrogen

Question 20

Metal+water=

Answer 20

Metal hydroxide+hydrogen gas

Question 21

Metal+oxygen=

Answer 21

Metal oxide

Question 22

What is a displacement reaction?

Answer 22

A displacement reaction is when a more reactive metal replaces or displaces a less reactive metal in a mixture

Question 23

What is an ore

Answer 23

An ore is when metal is infused with rock, metals are found like this underground

Question 24

Reactivity series

Answer 24

The reactivity series is a list of all the metals from most reactive to least

Question 25

What is at the top of the reactivity series?

Answer 25

Potassium

Question 26

What is at the bottom of the reactivity series

Answer 26

Platinum