Miss Lee Science Yr. 8 Flashcards
What is a Carbohydrate and how can it be tested
A carbohydrate is a food nutreint that gives us energy, it can be tested using iodine
What is Protein and how can it be tested
Protein is a food nutrient that helps us to regrow muscle, it is tested using biuret
Vitamins
Vitamins are food nutreint that help the body all round, there differnt types of vitamins for each aspect of the body
Minerals
Minerals are a food nutrient that help to make red blood cells and make bones stonger
What are Lipids (fats) and how can they be tested
Lipids are a food nutrient that give us energy and insulation, it is tested using ethanol
A balanced diet
A diet that contains the correct amount of every nutreint
To test for sugars you use
Benedicts solution
A drug to make you awake is called a
Stimulant drug
A drug to make you drowsy is called a
Depressant drug
Element
An element is a substance that consists of one type of atom
Group
A group is how the elements are sorted on the periodic table they correspond to the substances reactivity
Period
A period is another way elements are sorted on the periodic table
Alkali metals
The alkali metals are all the metals from group 1 of the periodic table
Alkaline earth metals
The alkaline earth metals are all the metals in group 2
Halogens
The halogens are all the element in group 7
Noble gases
The noble gases are all the elements in group 0( group 8)
Transition metals
The transition metals are all the metals between group 2 and 3 on the periodic table
Periodic table
The periodic table is a table that houses all of the known elements
Metal+acid=
Metal salt+hydrogen
Metal+water=
Metal hydroxide+hydrogen gas
Metal+oxygen=
Metal oxide
What is a displacement reaction?
A displacement reaction is when a more reactive metal replaces or displaces a less reactive metal in a mixture
What is an ore
An ore is when metal is infused with rock, metals are found like this underground
Reactivity series
The reactivity series is a list of all the metals from most reactive to least
