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WorksheetsYr8: Reactions L1-L3 ROUND UP
Total questions: 12
Worksheet time: 6mins
Where can a full list of all the elements be found?
the Periodic Table
in my planner
the Proactive Table
the Reactive Table
An element is....
elements chemically joined together
a physical mixture
lots of only one type of atom
lots of different types of atom
A compound is...
the same as an element
atoms of different elements chemically joined together
a physical mixture
one type of atom
When particles are in a fixed position the state of a substance is described as...
Solid
Liquid
Gas
When particles can move past each other and flow, but are still touching - the state is described as...
Solid
Liquid
Gas
Spaced out particles which move around quickly and do not touch are in which state of matter
Gas
Liquid
Solid
Melting a chocolate bar is a ______________ reaction
Chemical
Physical
Cooking an egg is a _____________ reaction
Chemical
Physical
A physical reaction tends to be....
physical
chemical
reversible
irreversible
A chemical reaction is usually
chemical
physical
reversible
irreversible
An example of a chemical reaction is...
baking a cake
melting an ice cube
setting a jelly
drying your hair
An example of a phyical reaction is...
butter melting on toast
milk going out of date
bread going mouldy
salt dissolving in water
