Test Your Knowledge on plastics and buoyancy

Have you just done a science lesson looking at plastic and which types float and sink? Complete this assessment quiz to test your knowledge!

Which of these materials is a polymer?
Name two properties of polymers
What is density?
How do you calculate density?
Which of these objects would not float in water (density of 1g/cm3)?
True or False: Seawater is less dense than distilled water.
Pure water has a density of 1.0 g/cm3
Seawater has a density of 1.03 g/cm3

So seawater is more dense than pure water. How could you test this?
What happens to pressure in a liquid as its depth increases?
Complete the sentence: Plastics are a problem when discarded at sea because....
What is produced when plastics break down in the environment?
Which is the best option when buying a drink to takeaway from a coffee shop?
You got {number correct}/{number of questions} correct answers

Bad Luck!

You didn't do well this time.
Try again after reading a bit more about plastics and density...
You got {number correct}/{number of questions} correct answers
Awesome! You have learnt lots!

Well done on a great score!

You definitely have some understanding of plastics and density. Maybe you could aim for even more correct answers next time!

You got {number correct}/{number of questions} correct answers
Whoa! You are a true plastic expert!

That's a great score!

You have excellent knowledge of all the facts! People learn from you, but don't forget there is always room for improvement. Keep on learning and inspiring others. The world needs you!