Physics
Contact & Non-Contact
A mixture where the particles do not reflect light
A solution
MRS GREN stands for
Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition
How many elements are there in the periodic table
118
Who is the current Head of Science
Mr Yu
An attractive force that exists between objects with mass
gravity
Once a mixture passes through a filter, the two components that remain are?
Filtrate, residue
Food webs track what
The flow of energy in an ecosystem
What is the 20th element in the periodic table?
Calcium
if Mr Spencer is pushing Mr Kim with 900 N of force while Mr Kim is pushing Mr Spencer with 400 N of force, the net force in this case is
A saturated solution is where
No more solute can dissolve
The levels of classification in order
Kingdom, Phylum, Class, Order, Family, Genus, Species
What does the mass number represent
number of protons + neutrons
Mr Kim's favourite colour
Beige
what are the two types of force that are generated by objects rubbing up against things
Name the main 4 states of matter involved in chemistry
Solid, Liquid, Gas, Aqueous
The phylum humans belong to
State the atomic number of Chromium
24
The number of Rehoboth staff that attend Gosnells Baptist Church
8 (Mr Spencer, Mrs Louwen, Mrs Theaart, Mr Kelly, Mr Thomson, Mrs Hlatwayo, Mrs Le Cras, Mrs Hurley)
What is the gravitational force on earth (including units)
9.8 N/kg
What are the most reactive elements on the periodic table
Alkali metals
The fancy word for our naming system
Binomical Nomenclature
State the atomic number of Uranium
92
Mr Yu's age
42