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...
chloroplast
100
How long does it take for Earth to orbit around the sun?
365
100
This must always be worn during chemistry practical's to protect the eyes.
safety glasses/goggles
100
State negative subatomic particles.
electron
100
What is the function of red blood cells
carrying oxygen around the body
200
Similar cells work together to form this structure.
tissue
200
What is the fourth planet from the sun?
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. In other words, atomic number is called?
proton
200
what tissue in the stomach allows it to churn?
muscle tissue
300
This specialised cell is the only type of cell in your body without a nucleus.
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
A) Acid
B) Alkali
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 system
400
Root hair cells are not found on your scalp, instead they help plants to ......
absorb water and nutrients from the soil
400
Freeze-thaw is an example of this process which breaks down existing rocks.
Weathering
400
This is made when you react a group 1 metal and a group 7 non-metal.
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
what is anaerobic respiration and why do we need it?
transforming glucose into lactic acid and creating energy when there is a lack/no oxygen
500
Bacteria and sperm cells have this structure in common.
a 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
an oxidation reaction/ combustion
500
This non-toxic element can be commonly found at parties.
Helium
500
what type of energy is being transformed into kinetic energy when Mr Aidarbek runs past the construction site for a shortcut home?
chemical energy