Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
MATERIALS
0
%
0
0
0
Back
Restart
What's another word for 'sieving'?
Sifting
Oops!
Okay!
Is soil soluble or insoluble?
Soil is insoluble (in water)
Oops!
Okay!
Name 3 different fuels.
Gas, oil and wood are fuels.
Oops!
Okay!
Why do puddles look like they disappeared?
Because the water evaporated
Oops!
Okay!
Is melting reversible or irreversible?
Melting is reversible
Oops!
Okay!
What is a particle?
It's a very small piece
Oops!
Okay!
Is sugar soluble?
Yes, sugar is soluble
Oops!
Okay!
If I want to make a filter, should I use something permeable or impermeable?
Something permeable
Oops!
Okay!
What is 'separate' the opposite of?
It's the opposite of 'mix' or 'combine'
Oops!
Okay!
What is 'recycle'?
Use again
Oops!
Okay!
Name the fuel that the human body 'burns'
The human body burns food
Oops!
Okay!
What happens to salt in water?
Salt dissolves in water
Oops!
Okay!
Do things disappear when they dissolve?
No, they look like they disappear
Oops!
Okay!
Is it useful to sieve a solution?
No, this is pointless/not useful
Oops!
Okay!
What two processes do we need to separate a mixture of sand and salt?
We need filtering and evaporation.
Oops!
Okay!
What happens to water vapour when it cools?
It condenses into liquid
Oops!
Okay!
What do we call the process of separating solids from liquids?
This is filtering
Oops!
Okay!
What are filter beds used for?
They are used for cleaning water.
Oops!
Okay!
What is a sieve with big holes (that we can use to separate peas from water)?
This is a colander
Oops!
Okay!
Why do we sieve flour before we bake?
To separate lumps from the flour
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies