What is the process of ice changing to water?
Melting
What part of the plant absorbs nutrients from the soil
What poles attract and what poles repel?
Opposite poles attract and like poles repel
What are the three states of matter
Solid, Liquid, Gas.
What makes up an electrical circuit?
Batteries, wire and a bulb switch
What temperature does PURE WATER boil at
100°C
What is the function of the leaf?
To absorb libe to phototosynthesise and create food for the plant.
What happens when a magnet is heated.
It loses its magnetism.
What is matter?
Anything that has mass and occupies.
What is the condition for a ccurrent to flow?
A closed circuit.
Which evaporates faster? Water with small exposed surface area or water with large exposed surface area
LARGE EXPOSED SURFACE AREA
What is the function of the stem?
To transport food from the leaves to the other parts of the plant and water from the roots to the other parts of the plant.
Which metals are magnetic? (bonus 50 if you can list all 4)
Steel, Iron, Nickle and Cobalt (bonus for nickel and cobalt)
What happens to air molecules when they are heated?
They gain heat energy which is converted into kinetic energy, causing them to vibrate more quickly and thus expand.
Name one electrical conductor and one insulator
Conductors: Metal, Water etc.
Insulator: Rubber, Platsic etc.
(Any example that is valid)
What happens to steam when it is cooled?
It condenses into water
What happens when a white flower is put into coloured water?
The flower changes to become the same colour as the water.
What happens if you stroke a silver silver rod with a magnet.
TRICK QUESTION! IT DOES NOT GET MAGNETISED YOU FOOOOOOOOOOOOOOOLS.
Which states of matter are compressible?
Gas.
What happens if there is no bulb in a circuit?
There will be a short circuit!
What temperature does evaporation occur?
ALL TEMPERATURES
What happens when light intensity decreases?
Less light causes the rate of photosynthesis to decrease, thus less food is produced.
In what direction does a suspended magnet rest in?
It rests pointing in a north-south direction.
What's heavier? A kg of steel or a kg of feathers?
BOTH ARE EQUALLY HEAVYYYYYYYY.
What is the best way to connect three bulbs to make them shine as bright as possible?
You should connect them in parallel.