YR2-K4-LSN2

HAVE READY:
- YOUR MACBOOK
- MAKE SURE YOU ARE SIGNED INTO WOOTS
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Slide 1: Slide
BiologieMiddelbare schoolhavo, vwoLeerjaar 2

This lesson contains 17 slides, with text slides.

time-iconLesson duration is: 45 min

Items in this lesson

HAVE READY:
- YOUR MACBOOK
- MAKE SURE YOU ARE SIGNED INTO WOOTS

Slide 1 - Slide

HAVE READY:
- YOUR MACBOOK
- YOUR KERBOODLE BOOK
- LESSONUP
- YOUR NOTEBOOK

Slide 2 - Slide

LESSON 2

Slide 3 - Slide

TODAY'S LEARNING GOALS:
  • I know what the various nutrients are broken down into.
  • I know which versions of which nutrients are good for us and  where we get them from.

Slide 4 - Slide

TODAY'S KEY WORDS:
  • Monomer
  • Polymer
  • Starch
  • Lactose 
  • Glucose 
  • Amino acids
  • Iron
  • Calcium
  • Sodium
  • Vitamins A, B, C, D & E
  • Saturated fats
  • Unsaturated fats

Slide 5 - Slide

Some nutrients are too large to be absorbed
Nutrients that are small enough to be absorbed by the body:
  • water
  • vitamins
  • minerals 

Nutrients that are too big to be absorbed by the body:
  • carbohydrates
  • proteins
  • fats
carbohydrates, proteins and fats are polymers

polymers are broken down into monomers in a process called digestion

Slide 6 - Slide

Digesting polymers to monomers

Slide 7 - Slide

Indicating starch
  • Chemical compounds that change appearance in the presence of other substances
  • Used to indicate the presence of nutrients

indicator to prove the presence of starch
iodine solutions

Slide 8 - Slide

Indicating glucose
  • Chemical compounds that change appearance in the presence of other substances
  • Used to indicate the presence of nutrients

indicator to prove the presence of glucose
benedict solutions


Slide 9 - Slide

Indicating proteins
  • Chemical compounds that change appearance in the presence of other substances
  • Used to indicate the presence of nutrients

indicator to prove the presence of proteins
copper sulphate + sodium hydroxide


Slide 10 - Slide

Time to choose

lab report
lab session
indicating nutrients
lesson 3
next week!
food diary
more information on classroom
check the link to voedingscentrum

Slide 11 - Slide

TODAY'S LEARNING GOALS:
  • I know what the various nutrients are broken down into.
  • I know which versions of which nutrients are good for us and  where we get them from.

Slide 12 - Slide

Time to choose

lab report
lab session
indicating nutrients
lesson 3
next week!
food diary
more information on classroom
check the link to voedingscentrum

Slide 13 - Slide

Slide 14 - Slide

In context question: 1
This picture shows a child in Africa suffering from Kwashiorkor, this deficiency disease causes the belly to swell up and all the joints to become painful. This his disease is cause by a lack of mother's milk in combination with eating too much rice.
A. What nutrients is this child lacking that are important for growth?
B. What nutrient does this child have an excess of?

Slide 15 - Slide

In context question: 2
Breakfast is often a battle in most households. If parents can get their kids to eat a breakfast, they often want sweet sugary stuff.  It is much and much better for you to avoid the sweet cereals and go for the more savoury ones.
A. Explain why based on what you have learned today.
B. If you do not like cereal, what would be a healthy replacement (think of the nutrients).

Slide 16 - Slide

HW FOR LESSON 3:
- Decide which project you want to do for a grade.
- Complete the notes for lesson 3 for next time.
- If you did not complete the in class assignments, these too.
- Choose a lab partner and prepare for the lab lesson by reading the instructions for the foodtests.

Slide 17 - Slide