Erupting Aliens

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green alien eruption baking soda vinegar kids craft


This activity is loads of fun for anyone who likes aliens, mess and making things explode. Watch out, it can get very messy so be sure to lay out lots of newspaper in advance!

Time: 45 minutes
Age: Any Age
Level: Medium

Materials
Newspaper to contain the mess
Old play dough
Embellishments - e.g. google eyes, feathers, sequins, pipe cleaners, twigs, flowers etc
Bicarbonate of soda (baking soda)
Vinegar
Several cups or tubs and a spoon
Food colouring



bicarbonate soda reaction with vinegar in play doh alien
Starting materials


Method

Lay out lots of newspaper (or you could also use a shallow plastic box to contain mess)
Add a few drops of food colouring to a cup of vinegar
Put some baking soda in a cup



erupting alien, fun kids craft, blue vinegar bicarb explosion
Add a few drops of food colouring to a cup of vinegar




green alien eruption baking soda vinegar kids craft
Put some baking soda into a cup so that it is easy to scoop


Now create your aliens. We used play dough for the bodies. The play dough will go slimey and will need to be thrown out after the activity so it's a good way to use up old play dough.
Add embellishments such as googly eyes, pipe cleaners, buttons or even natural materials from the garden such as twigs or flowers
Add a hole or indent, where the baking soda will be added. We found that wide holes worked better than deep narrow holes to allow for more surface area for the fizzing reaction.



erupting alien, fun kids craft, blue vinegar bicarb explosion
Have fun designing your alien




bicarbonate soda reaction with vinegar in play doh alien
Try adding googly eyes, feathers, sequins etc




erupting alien, fun kids craft, blue vinegar bicarb explosion
We added this interesting red flower for hair


When your aliens are ready, scoop some baking soda into the holes.



green alien eruption baking soda vinegar kids craft
Ready to erupt


Now add coloured vinegar with a spoon, or pour straight from the cup
Watch as the bicarbonate of soda reacts with the acid from the vinegar to produce lots of fizzing and bubbles



green alien eruption baking soda vinegar kids craft
Watch the fizzing begin




green alien eruption baking soda vinegar kids craft
Exploding alien




erupting alien, fun kids craft, blue vinegar bicarb explosion
Try different colours




bicarbonate soda reaction with vinegar in play doh alien
Watch out it can get very messy


After the eruption has finished you can add more baking soda and make your alien erupt again. Try different colours.

Please upload a picture of your exploding alien via the comments section. We'd love to see it!

Check out some other fun monster, alien and baking soda ideas.

Categories
#Medium
#Under 5s
#5 to 10s
#Over 10s
#Science experiments
#Bicarb soda
#Play dough
#Alien
#Monsters
#Googly eyes
#Messy play
#Space
#Alien
 
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