WorksheetsGeneration Genius: Physical & Chemical Changes
Total questions: 10
Worksheet time: 5mins
Which of these is true of fruits blended together?
chemical change
physical change
both types of change
none of these
Gallium spoon melting is a physical change because a puddle of _____ metal is left afterwards.
iron
steel
aluminum
gallium
Changes between states of matter are often which?
chemical changes
physical changes
both
neither
When something burns it is which of these?
chemical change
physical change
What caused the candles to go out?
oxygen
Izzy blowing on them
carbon dioxide
hydrogen
Why is this a physical change?
it makes a mess
same gas before and after
it changes form
it's not, it's a chemical change
How does the team know the gas produced is hydrogen?
density
direct observation
temperature
flame test
How does hydrogen react in a flame test?
a pop
puts fame out
nothing happens
changes color
The spoiling of milk is an example of which type of change?
physical
chemical
both
neither
Is mixing air into egg whites a physical or chemical change?
physical
chemical
both
neither
