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Activity. Bonfire night . At a bonfire night party you will see lots of exciting chemistry!. Your task: From the list discuss in pairs which are chemical reactions and which are physical changes. © Snapshot Science , 2010. Activity. Heating sugar to make toffee. A bonfire burning.

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slide1

Activity

Bonfire night

At a bonfire night party you will see lots of exciting chemistry!

Your task:

From the list discuss in pairs which are chemical reactions and which are physical changes.

© Snapshot Science, 2010

slide2

Activity

Heating sugar to make toffee

A bonfire burning

Fireworks

Your breath cooling in the air

Toasting burger buns

Hot soup cooling down

x

x

Dissolving sugar

in tea

Keeping warm with a coat

A lit sparkler

x

x

Wellies getting muddy

The smell of hot dogs wafting over

Lighting a match

x

x

Fizzy drinks going flat

A hot pack heating up

Glowing light sticks

x

© Snapshot Science, 2010