quiz head

Going anywhere nice? Well, it's that time of year isn't it. We know you Planet Science fans are an intrepid lot so our prize is a fab day-sack plus a map case so you'll know where you are at all times. What? You're just lying on the beach for a fortnight? Oh, OK….you might be able to answer these holiday questions then….

Paperback?

Flip-flops?

Sun cream?

GO!!

01	How do the experts define sand?
		Sand can be blown by the wind but sinks in water.
		Sand is yellow in colour.
		Sand is found only on beaches.
		Reveal answer

02	Most sand is made of silicon dioxide, but in coral regions the white tropical sand beaches have loads of what?
		Ice crystals
		Calcium Carbonate
		Peat rich soil
		Reveal answer

03	When we eat a stick of seaside rock the amount of sugar in our blood rises. Which hormone in our body controls the amount of sugar in our blood?
		Insulin
		Oestrogen
		Thyroxine
		Reveal answer

04	What chemical in the skin is responsible for the brown colour of a suntan?
		Keratin
		Colatin
		Melanin
		Reveal answer

05	Which vitamin does our body produce in response to sunlight?
		Vitamin P
		Vitamin Z
		Vitamin D
		Reveal answer

06	It is common in summer for the nerves in the roof of the mouth to be triggered causing blood vessels to dilate (open) and giving the person a terrible, but brief, headache. What has happened to start this off?
		They have swallowed sea water.
		They have eaten ice cream or had a super cold drink giving them a “freeze head”.
		Too much sugar has given them tooth decay.
		Reveal answer

07	Where in the world do most shark attacks happen?
		Florida
		Wales
		Scotland
		Reveal answer

08	Why would sun seekers want to avoid Kauai, Hawaii?
		It is infested with fire ants.
		It has up to 350 days of rain every year.
		Temperatures drop to –30C at night, even in the summer.
		Reveal answer

09	Why does damp sand stick together better than dry sand for making sandcastles?
		The water dissolves the sand making glue.
		The sand grains multiply like bacteria when wet and become more compact.
		The water has a surface tension and acts like loads of elastic bands holding the sand grains together.
		Reveal answer

10	The plane that takes you to your holiday destination is held in the air by the principle of…
		Tuft
		Waft
		Lift
		Reveal answer

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