Tree wooden logs wooden bark and chips - - PowerPoint PPT Presentation

Tree wooden logs wooden bark and chips boiled pulp paper mould paper

Read the note alongside and copy these key words and explanations down.

Raw material: a natural material from which a product is made Combine: to mix, add or join together Mixture: something made when you mix things together Processed: changed so that it becomes a new material / product Product: something new made after having gone through a process

C O P Y Y

Home Activity: Making my own glue (Ask mom/dad for help.)

You will need: a small bowl, water, flour, a picture or shape, newspaper Read these questions before you start as you need to make 5 observations. Give brief one word answers.

• 1. How does the flour feels before water is added?
• 2. How does it feel when you have made a paste with water?
• 3. Is the glue sticky enough to keep the picture in place for a long time?
• 4. Will it spoil the picture?
• 5. Will THIS glue be strong enough to mend a broken plastic cup?

Method:

1. Spread newspaper / old paper on your desk/table. 2. Put a tablespoon of flour on the paper. 3. Add a teaspoon of water and mix with flour and mix. 4. Keep adding water a tsp at a time until it forms a paste like toothpaste. 5. Using your fingers spread the paste onto the back of a picture / shape and paste it onto another piece of paper.

Flour + water mix glue

Home Activity: Making my own jelly (Ask mom/dad for help.)

You will need: a small bowl, 80 g box jelly powder (any flavour), 225 ml of boiling and 225 ml of room temperature water Read these questions before you start as you need to make 3 observations: Give brief one word answers. 1. Describe the properties of the jelly powder: taste, smell, touch. 2. Describe what happens to the jelly powder when water is added. 3. How does the final mixture once set in the fridge differ from the original ingredients used? Method:

• 1. Place jelly powder in bowl.
• 2. Add 225 ml of boiling water and stir well until powder dissolves.
• 3. Add 225 ml of room temperature water and continue to stir so that there are

no jelly crystals left.

• 4. When cooled down, place in refrigerator and allow to set.

Fail-safe flapjack recipe

Ingredients

• 500ml flour
• 2 eggs
• 5 tbsp sugar
• 1 ½ tbsp butter, melted
• 4 tsp baking powder
• 1/3 tsp salt
• 250ml milk
• cooking oil

Method

• 1. Beat the eggs and gradually add the sugar.
• 2. Add half of the milk and the melted butter to the egg mixture.
• 3. Stir well.
• 4. Sift the flour, baking powder and salt and add to the egg mixture.
• 5. Gradually stir in the remaining milk to form a smooth mixture.
• 6. If all ingredients are well mixed then don’t stir anymore.
• 7. Grease the pan with a little oil and drop spoonful's of dough into the frying pan.
• 8. Turn the flapjack once the top is full of air bubbles (bottom should be golden brown)

and bake on the other side.

• 9. Serve with butter and syrup, honey or jam.

Here is a YouTube video with a slightly different recipe you may like to try. http://titlisbusykitchen.com/recipe/flapjacks-pancakes

Egg+water/milk+ salt and pepper mix scrambled egg Maize meal+water+salt mix cook porridge Optional to make – not compulsory

Plaster of Paris + water mix set 1 part cement + 2 parts sand + 3 parts gravel mix set concrete Casts, moulds and ornaments roads bridges

A flow diagram shows which raw materials/natural materials are mixed/added together, which processes take place and which products are made/manufactured. INSTRUCTION: Redraw the flow diagrams below. Do all arrows with a red koki /pen or fineliner. Flour + w_ _ _ _ P_ _ _ _ _ _ of Paris + water glue mix p_ s _ e Jelly powder+hot +cold w _ _ _ _ m _ _ s_ _ _ d jelly cooling m _ _ s _ _ caste / mould /

• r_ _ _ _ _ t

c_ _ _ _ _ g m _ _ Maize _ _ _ _+ water +s _ _ _ p _ _ _ _ _ _ _ c _ _ _ _ _ _ _ m_ _ Cement+ _ _ _ _ + gravel + w_ _ _ _ s _ _ See previous slides for clues.