Through science learning, we get to answer some of the questions that we may have concerning the universe and those found within it. Are you in ninth grade and wish to jog your memory on what we have learned so far? Take up the Science Revision Year 9 quiz below and see what you can remember before schools are open.
S
So
Na
N
Nd
Conductors of heat.
Malleable - you can bend and mold it.
Ductile - you can stretch it in strings.
Usually hard and solid at room temperature.
Breaks easily.
Turns lime water milky.
Has not smell.
Heavier than air.
Gas.
Colourless.
Oxygen
Water
Carbon dioxide
Salt
Hydrogen
So they can detect and respond to living things.
To dispose of poison waste.
To allow them to detect and respond to the environment.
To get energy out of food.
To produce new offspring.
Force
Mass
Acceleration
Momentum
Mass and Acceleration
Mass and force
Mass and Velocity
Mass and time
Covalent bond
Hydrogen bond
Metallic Bond
Ionice bond