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Page 1: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Fleece to Grease

Page 2: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

From Fleece to Grease

Page 3: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Fleece to Grease

Page 4: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

• Woolgrease is a greasy yellow

substance that comes from the

fleece of sheep

• Woolgrease is a by-product of

the wool industry.

Purpose of woolgrease

Keeps the sheep dry

Keeps the sheep warm

Protects against UV light

WHAT IS WOOLGREASE?

Page 5: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Cool Sheep

https://www.youtube.com/watch?v=5HIajqxQfqM
Page 6: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Washing Wool

Page 7: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Washing Wool

Page 8: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Washing Wool

Page 9: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Washing Wool

Page 10: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Washing Wool

Page 11: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Wool Scouring Process

ONE MERINO SHEEP 250-300 ml WOOLGREASE

SHEEP GIVE AROUND 200 g OF WOOLGREASE

(MERINO SHEEP GIVE THE HIGHEST WOOLGREASE YIELD)

Page 12: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Wool Scouring Process

THEREFORE, A 200 KG DRUM CONTAINS

THE ‘OUTPUT’ OF ~1000 SHEEP

Page 13: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

http://www.scienceofhealthyskin.org.uk/lanolin4.htm

The Problem with Grease

http://www.scienceofhealthyskin.org.uk/lanolin4.htm
Page 14: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

The Problem with Grease

Page 15: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

http://www.scienceofhealthyskin.org.uk/lanolin4b.htm

The Problem with Grease

http://www.scienceofhealthyskin.org.uk/lanolin4b.htm
Page 16: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Drums of Woolgrease

Page 17: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Drums of Woolgrease

Page 18: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Drums of Woolgrease

Page 19: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Drums of Woolgrease

Page 20: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Drums of Woolgrease

Page 21: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Woolgrease Lanolin

Page 22: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

▪ Administrator keeps a written and pictorial

record for the group

▪ Resource Manager collects, sets up and

returns all equipment used by the group

▪ Communications Officer collects the group’s

ideas and reports back to the rest of the class.

▪ Health and Safety Manager takes

responsibility for the safety of the group, making

sure everyone is working sensibly with the

equipment

▪ Personnel Manager takes responsibility for

resolving disputes within the group and

ensuring the team works together

Roles & Responsibilities

Page 23: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Oil and Water

Page 24: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Where is lanolin used?

Page 25: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Where is lanolin used?

To make most of the products we need to

get the lanolin oil to mix with water

Page 26: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add
Page 27: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Oil and Water

Which product of C, D or E will help mix A

and B?

Page 28: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

PlanningWe are investigatingWe could change… We could measure/observe…

We will

change…

(independent)

We will

measure/observe

(dependent)

We will keep the same

Our question is….

Page 29: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

We could change… We could measure/observe…

We will

change…

(independent)

We will

measure/observe

(dependent)

We will keep the same

Our question is….

Amount

of water

Amount

of oil

Amount

of extra

product

Amount

of time to

separate

Which

extra

product

Which

product

we will

add

Amount

of time to

separate

Amount

of waterAmount

of oil

Amount

of extra

product

Which of product C, D or E mixes A and B?

PlanningWe are investigating

Page 30: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

▪ Bottles labelled A-E

▪ 4 plastic jars and lids

You will need

Page 31: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

Part 1

▪ Add 50 ml of A and 50 ml of B -> shake

Part 2

▪ Add 45 ml of A, 45 ml of B, 10 ml of C

▪ Add 45 ml of A, 45 ml of B, 10 ml of D

▪ Add 45 ml of A, 45 ml of B, 10 ml of E

Which of product C, D or E mixes A and B?

Page 32: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

The Pastillator

Page 33: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add
Page 34: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

▪ Some of our customers want a product that is

easier to use and so they want it in a form of

little blobs called pastilles.

▪ These pastilles are made in a machine called a

pastillator

Page 35: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

http://www.scienceofhealthyskin.org.uk/lanolin6a.htm

Pastillator Video

http://www.scienceofhealthyskin.org.uk/lanolin6a.htm
Page 36: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

▪ Laminated sheet

▪ Spoon

▪ Pipette

▪ Different products

You will need

Page 37: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

We could change… We could measure/observe…

We will

change…

(independent)

We will

measure/observe

(dependent)

We will keep the same

Our question is….

PlanningWe are investigating

Page 38: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

We could change… We could measure/observe…

We will

change…

(independent)

We will

measure/observe

(dependent)

We will keep the same

Our question is….

Amount

of

product

Tool to

make

pastilles

Time to

make

pastilles

How

even the

pastilles

are

? ?

How

many

pastilles

are made

?

How well can we make pastilles?

PlanningWe are investigating

Page 39: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

▪ What did you find out?

▪ Did different products need different equipment

to make the best pastilles?

Feedback

Page 40: Fleece to Grease - Croda Science · 2019-02-07 · Add 50 ml of A and 50 ml of B -> shake Part 2 Add 45 ml of A, 45 ml of B, 10 ml of C Add 45 ml of A, 45 ml of B, 10 ml of D Add

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