Cells and Microscopic Things...
Earth and Space
Fundamental Chemistry
Atomic Structure
Human body
100
This organelle can be found in herbs, grass and algae. But NOT in any of your cells- since you're not green...
What is a chloroplast?
100
The science word for the length of time it takes the Earth to revolve around the sun
What is a year?
100
This must always be worn during chemistry practical's.
safety glasses/goggles
100
The negatively charged subatomic particle
Electron
100
What is the function of red blood cells
what is carrying oxygen around the body
200
Similar cells work together to form this structure.
What is tissue?
200
What is the fourth planet from the sun?
What is Mars?
200
This gas is produced when you add an acid to a metal.
hydrogen
Mg + 2HCl -> MgCl2 + H2
200
The atomic number on the periodic table is the amount of this particle in an atom.
proton
200
The acid found in the stomach
What is hydrochloric acid
300
This specialised cell is the only type of cell in your body without a nucleus.
What are red blood cells?
300
Large, slow-moving sheet of ice over land
Glacier
300
This word describes substances like bleach, soap, toothpaste, and sodium hydroxide
base/basic/alkali
300
As you move down a group on the periodic table, the number of these increases.
shells/energy levels
300
What type of system is the heart part of?
Circulatory/ cardiovascular system
400
Root hair cells are not found on your scalp, instead they help plants do this.
Absorb water
400
Freeze-thaw is an example of this process which breaks down existing rocks.
(physical) Weathering
400
This is made when you react a group 1 metal and a group 7 non-metal.
What is salt?
e.g. Sodium + Chlorine -> Sodium chloride
400
The reactivity of the elements increases as you move down this group.
group 1/alkali metals
400
The type of respiration that produces lactic acid and occurs without oxygen
What is anaerobic respiration
500
Bacteria and sperm cells have this structure in common.
flagellum/tail?
500
It is not possible to find fossils in this type of rock.
igneous rock
500
The equation below is an example of this common chemical reaction.
CH4 + 2O2 -> 2H2O + CO2
Combustion
500
This non-toxic element can be commonly found at parties.
Helium
500
The number of bones in an adult human body
206