Design and Technology GCSE revision pack Please use

Design and Technology GCSE revision pack Please use the following resources to complete your sheets. These include all theory knowledge you need to know. • Design and Technology student • Lonsdale revision guide – D&T • Your textbook • GCSE bite size D&T

Name the tool/machine

FIBRES AND YARNS A fibre is the ………………………………………. A yarn is ………………………………………. . Natural fibres come from____________________ Examples of Natural fibres A blended fibre takes place at which part of the production process? Name the 3 categories of fabric K……………………… W……………………. . N…………………. . . A mixed fibre takes place at which part of the production process? Circle the correct definition A staple fibre is a long continuous/short fibre A filament fibre is a long continuous/short fibre Synthetic fibres come from ____________________ Eduqas GCSE Design and Technology Name a fibre blend TEXTILES CORE Examples of synthetic fibres Give the definition of a seam allowance Regenerated fibres are ________________________________________ Examples of regenerated fibres Give a definition for a hem PROPERTIES List 5 possible property categories fabrics could be described as 1. 4. 2. 5. 3. Name the fabric from the sources Label each sewing machine part

PROPERTIES Describe the difference between a deciduous and evergreen trees. Describe the difference between ferrous and non ferrous metals. Give a definition for the different types of properties (remember these can be used for wood/metal/plastic) 3. Malleable 3. Name 3 Non Ferrous Metals Name a type of softwood Evergreen trees are softwood/hardwood Eduqas GCSE Design and Technology 5. Hardness 3. METALS AND WOOD True or false WOOD FINISHES An alloy is a materials that is produced by combining two or more elements together to produce a new materials S…………………. . 6. Brittle 7. Corrosion Resistant Circle the correct answer Deciduous trees are softwood/hardwood 1. 2. 4. Ductility 1. 2. 1. Hardness 2. Tensile Strength Name 3 hardwoods Name the stock forms below Name 3 Ferrous Metals W…………………. MANUFACTURED BOARDS Describe how the board is made Plywood – MDF – V…………………. . O…………………. Chipboard – Name the stock form 1. 2. Hardboard – 3. Veneered board -

POLYMERS True or false – polymers come in natural forms as well as synthetic? Give the definition of a THERMOFORMING polymer Write down whether the following plastics are thermoforming or thermosetting High density polythene What is the thickness of paper weighed in? What is the thickness of board weighed in? Match the paper to it’s use STOCK FORMS Name the images Polyester resin Epoxy resin Name one method used to protect paper Eduqas GCSE Design and Technology PLASTICS AND PAPER/BOARD Polypropylene Paper Use Layout paper Used by architects for developing designs Tracing paper Used by artists for sketching Copier paper Used for printing and photocopying Cartridge paper Used for making copies of drawings Melamine formaldehyde PVC Urea formaldehyde Polystyrene Name 5 types of card and board 1. 2. 3. Give the definition of a THERMOSETTING polymer 4. 5. Explain how laminating protects paper Fill in the missing measurements

SMART MATERIALS Give the definition of a smart material TECHNICAL TEXTILES Explain what shape memory alloys (SMAs) are and how they work Give the definition of a modern/technical textile Soft lightweight tough wet Rigid silky rough heavy Match the Technical textile To the use What change takes place in these smart materials? Photochromic What is biomimicry? Thermochromic Circle the correct descriptions for GRP Eduqas GCSE Design and Technology SMART MATERIALS Technical textile Use Sun protective clothing Anti-bacterial material Nomex Put on the ground under roads and railways to prevent erosion, drainage, weeds Geotextiles Uses SPF to protect from UV rays in clothing Rhovyl Heat and fire resistor clothing Hydrochromic Name the smart material Explain what polymorph is and how they work Name the technical textile What is a microfibre and name a use for microfibres? Name 3 properties of gore-tex Name 2 products that can use microencapsulation 1. 2. 3.

Describe how feedback works in a closed block diagram Name 3 ways a circuit can be represented 1. Above is a block diagram. Give the definition of an input and an output. 2. What does a microcontroller do in a circuit? 3. Match the different types of inputs and output sensors to their name Light Sensor Thermistor Temperature sensor LDR True or false? A digital sensor is used for detecting yes/no situations An analogue sensor is used to measure how big a quantity is Step 1 Step 2 Eduqas GCSE Design and Technology ELECTRONICS Switch Sensor How do you programme a microcontroller? Step 3 Push Name the circuit symbols Draw the symbol for a motor and a open switch below A microcontroller can also be known as a _________ Read the flowchart below. What product do you think this is for? Give the name of the symbol used in the flowchart and a definition of what it is used for

What are the 4 different types of motion Fill in the missing gaps 1. A cam and ______ is a mechanism to convert _______ motion into _________ motion. 2. 3. Label the cam below with these 3 key words. CAM, FOLLOWER, SLIDE Describe the movements the following shaped cams create. Snail 4. Pear shaped Name the different types of linkages Eccentric Eduqas GCSE Design and Technology MECHANISMS AND FORCES The image below is a gear train. State true or false for the following statement Label the diagram with EFFORT, LOAD and FULCRUM The smaller gear will rotate faster than the larger gear Name the gear system below and explain how it works using the different movements The two gears will rotate in opposite directions Name the mechanism in the diagram

Name the 6 R’s CAD = 1. Life Cycle Analysis Fill in the missing stages of the life cycle analysis 2. Raw Material Extraction Name 3 CAM machines 3. ________________ 1. 4. Packaging and distribution 2. 5. ________________ 3. 6. Final disposal Give the definition of renewable energy Name a CAD programme CAM = Describe how a 3 D printer works Give an 2 advantages and 2 disadvantages of CAD Eduqas GCSE Design and Technology SUSTAINABILITY and CAD/CAM Name 3 examples of renewable energy Give the definition of non-renewable energy Name 3 examples of non-renewable energy Give 2 benefits of buying Fairtrade products Market pull is ___________________________ ___________________________ Give an advantage and a disadvantage of renewable energy __________________________ __________________________ _____________ Give an advantage and a disadvantage of CAM Technology push is __________________________________________________ Match up the key words to the definition Carbon Footprint The area of earth needed to produce resources Ecological Footprint The measure of greenhouse gases produced by a single person or company