Is water a homogeneous mixture, a heterogeneous mixture, or a pure substance?
It's a pure substance
It's a homogeneous mixture
It's a heterogeneous mixture
What state of matter is honey?
solid
plasma
liquid
gas
We can divide the word homogeneous into two parts: homo.geneous. What does HOMO mean?
different
mixture
pure substance
the same
What's the best way to separate sand and small shells
filtration
distillation
evaporation
sieving
When water boils, what type of change is it?
a chemical change
a reversible physical change
an irreversible physical change
When water condenses, what type of change is it?
an irreversible physical change
a chemical change
a reversible physical change
What state of matter are clouds?
liquid
solid
gas
What state of matter is lava?
plasma
gas
liquid
solid
Is coffee a homogeneous mixture, a heterogeneous mixture, or a pure substance?
It's a heterogeneous mixture
It's a pure substance
It's a homogeneous mixture
What state of matter is flour?
liquid
gas
solid
plasma
What state of matter is sand?
solid
plasma
liquid
gas
Is boba tea a homogeneous mixture, a heterogeneous mixture, or a pure substance?
It's a heterogeneous mixture
It's a pure substance
It's a homogeneous mixture
When water freezes, what type of change is it?
a chemical change
a reversible physical change
an irreversible physical change
Which example IS NOT matter.
a cloud
a chair
water
a sound (music)
We can divide the word heterogeneous into two parts: hetero.geneous. What does HETERO mean?
the same
pure substance
mixture
different
Which one is a thermal insulator?
gold
aluminium
plastic
steel
Which one is a chemical change?
burning paper (combustion)
a glass breaking
colouring on paper
ice melting
Which one is a chemical change?
drying your hair
folding paper
stretching a rubber band
oxidation of metal (rust)
What state of matter is oil?
liquid
solid
gas
Which one is a reversible physical change?
digesting food
ice melting
burning paper
baking a cake
What's one way to save energy?
Leave the frige door open.
Put paper, plastic, metal and glass in the rubbish.
T.urn on the light when you leave the room
Walk or ride a bike instead of driving.
Which one is a thermal conductor?
wool
glass
cotton
copper
What's the best way to separate ColaCao and milk?
distillation
filtration
evaporation
sieving
When you cut paper, what type of change is it?
a reversible physical change
a chemical change
an irreversible physical change
What does this separate?
a solution to two liquids
a mixture of two solids
a solution of a solid and a liquid
a mixture of a solid and a liquid
What's the best way to separate spaghetti and water?
evaporation
sieving
distillation
filtration
What method of separation is this?
sieving
evaporation
distillation
filtration
Is lemonade a homogeneous mixture, a heterogeneous mixture, or a pure substance?
It's a homogeneous mixture
It's a heterogeneous mixture
It's a pure substance