JJ
Teacher 1
Mee Xuan
Teacher 2
Jake
100
What is the boiling point of water?
100 °C
100
Label each change as reversible or irreversible:
a. ice lollies freezing
b. concrete setting
c. a loaf of bread baking
d. chocolate melting
e. fruit rotting
f. wood burning
a. reversible
b. irreversible
c. irreversible
d. reversible
e. irreversible
f. irreversible
100
Is this an example of a food chain or a food web?:
grass -> grasshopper -> baboon -> leopard
Food chain
100
Why is high friction good for car drivers?
Use the words 'friction' and 'motion'.
It increases the friction between the tyres and the road and prevents the change in motion of the car, for example: to stop it from skidding.
100
What is the definition of mass and weight?
The mass of an object is a measure of the amount of matter it contains.
Weight is a downward force.
200
What do you call an animals that emits light on its own?
bioluminescent
200
What are the things forces CAN do?
a. Make objects move
b. Make objects cold
c. Make objects speed up
d. Make objects change colour
a and c
200
How many layers does the Earth have?
What are the names of the layers?
There are 4 layers of Earth: the crust, the mantle, the outer core, and the inner core.
200
Draw the force diagram of this picture:
200
What is the definition of condensation?
Condensation is the process by which water vapor (water in its gas form) turns into liquid.
300
Name all the planets in the Solar System.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
300
What is the force that slows things down?
a. friction
b. mass
c. pushing
d. weight
friction
300
Is this change reversible or irreversible?
match (not lit) -> match (lit)
Irreversible
300
Draw light rays on this picture to show how the eye sees the cat:
300
What does this symbol mean?
Two cells
400
What does a 'gas giant' mean in our Solar System?
Give one example of a gas giant.
A gas giant is a large planet mostly composed of helium and/or hydrogen.
The gas giants are Jupiter, Saturn, Uranus and Neptune.
400
Draw a circuit diagram to represent this circuit:
400
What is this symbol represent?
motor
400
Name the three types of rocks.
Igneous, Sedimentary, and Metamorphic
400
How many stages are there in the circulatory process?
Six
500
Who invented the first electric cell?
Alessandro Volta
500
What is the refraction of light?
Refraction happens when light changes direction, or bends, when it moves from one material to another.
500
Draw a series circuit including two cells, one lamp and one open switch.
500
Draw and label the rock cycle.
500
What is gravitational attraction?
Gravitational attraction is an interaction that happens between masses throughout the universe.
The gravitational attraction between the masses pull on an object and creates its weight.