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Blaze gr5 BUL Ss Unit 5.qxp_Blaze gr5 BUL Ss Unit 5 22/11/16 2:29 PM Page 84

U N I T
5 CLIL (Science)

Reading

1 How do our taste buds work?
Read the text to find out.

2 Read the text again and
answer the questions in your
notebook.

1 What are the four basic food
flavours?
2 How many taste buds do we
1 bitter
have?
2 sour
3 How often do we get new taste 1 3 salty
buds? 2 2 4 sweet
4 How do the taste buds send VIDEO 3 3
messages to the brain? 4
5 What works with the taste buds
hy do crisps taste salty? Open your mouth and look
to help us taste our food?
Wat your tongue! All those bumps on it are your taste
buds. They tell us the four basic flavours in the food we
3 How do the foods/drinks in the
pictures taste? Use: bitter, sour, eat: bitter, sour, salty and sweet.
salty, sweet. Think of other foods/ Most people have got about 10,000 taste buds on their
drinks. What do they taste like? tongues. We get new ones to replace the old ones every
two weeks. Each bud has got tiny hairs that send
messages to the brain about the flavour of the food they
are sensing.
Your nose works together with your taste buds while you
chew your food! The nose has special cells inside. They
black coffee lemons can smell the food in your mouth and send messages to
the brain about the flavour, too!

Check these words
crisps, taste, salty, mouth, tongue, bump, taste buds, basic,
flavour, bitter, sour, replace, tiny, send messages, brain,
crisps cake sense, nose, work together with, chew, cell, smell

Black coffee tastes bitter.
Dark chocolate tastes bitter, too.
Speaking

Fast Facts 4 PRESENTATION SKILLS Watch the VIDEO . Read the text in
Ex 1. Give the class a presentation on why foods taste
• Fish taste with their fins, tail and different. Think about: ■ the basic flavours ■ what taste buds
mouth. look like ■ how taste buds function ■ the nose and taste buds.
• Taste is the weakest of the five senses.

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