Uses of metals practice exercise 4

Joseph is reading about how planes are built. He learns that the body must be strong but also light to fly easily. Which metal is most suitable for building aeroplane parts?

Joseph is reading about how planes are built. He learns that the body must be strong but also light to fly easily. Which metal is most suitable for building aeroplane parts?  (1 mark)

Joseph is reading about how planes are built. He learns that the body must be strong but also light to fly easily. Which metal is most suitable for building aeroplane parts?  (1 mark)

Mary accidentally melts the handle of her cooking pan while preparing ugali. She wants to buy a better pan that conducts heat efficiently and resists melting. Which metal should the new pan be made of?

Mary accidentally melts the handle of her cooking pan while preparing ugali as shown below. She wants to buy a better pan that conducts heat efficiently and resists melting. Which metal should the new pan be made of?  (1 mark)

Mary accidentally melts the handle of her cooking pan while preparing ugali as shown below. She wants to buy a better pan that conducts heat efficiently and resists melting. Which metal should the new pan be made of?  (1 mark)

Mary accidentally melts the handle of her cooking pan while preparing ugali as shown below. She wants to buy a better pan that conducts heat efficiently and resists melting. Which metal should the new pan be made of?  (1 mark)

A fundi (electrician) is wiring a new house in Kisumu. He wants wires that conduct electricity efficiently and are affordable. Which metal should he choose?

A fundi (electrician) is wiring a new house in Kisumu. He wants wires that conduct electricity efficiently and are affordable. Which metal should he choose?  (1 mark)

A fundi (electrician) is wiring a new house in Kisumu. He wants wires that conduct electricity efficiently and are affordable. Which metal should he choose?  (1 mark)

A fundi (electrician) is wiring a new house in Kisumu. He wants wires that conduct electricity efficiently and are affordable. Which metal should he choose?  (1 mark)

At the market, Amina reads that the salt she buys is made using a metal that reacts with chlorine. Which metal is involved in making table salt?

At the market, Amina reads that the salt she buys is made using a metal that reacts with chlorine. Which metal is involved in making table salt? (1 mark)

At the market, Amina reads that the salt she buys is made using a metal that reacts with chlorine. Which metal is involved in making table salt? (1 mark)

At the market, Amina reads that the salt she buys is made using a metal that reacts with chlorine. Which metal is involved in making table salt? (1 mark)

A farmer in Makueni wants to install a solar-powered water pump. He needs a metal for the internal wiring that can withstand heat from the solar system and allow efficient current flow. Which metal is most suitable for the internal wiring of the solar water pump?

A farmer in Makueni wants to install a solar-powered water pump. He needs a metal for the internal wiring that can withstand heat from the solar system and allow efficient current flow, as shown below. Which metal is most suitable for the internal wiring of the solar water pump? (1 mark)

A farmer in Makueni wants to install a solar-powered water pump. He needs a metal for the internal wiring that can withstand heat from the solar system and allow efficient current flow, as shown below. Which metal is most suitable for the internal wiring of the solar water pump? (1 mark)

A farmer in Makueni wants to install a solar-powered water pump. He needs a metal for the internal wiring that can withstand heat from the solar system and allow efficient current flow, as shown below. Which metal is most suitable for the internal wiring of the solar water pump? (1 mark)

A plumber is choosing a metal to use in fittings for a water purification system in Kisii. The fittings must last long and not rust, even when exposed to damp conditions. Which metal is the best option?

A plumber is choosing a metal to use in fittings for a water purification system in Kisii. The fittings must last long and not rust, even when exposed to damp conditions. Which metal is the best option?  (1 mark)

A plumber is choosing a metal to use in fittings for a water purification system in Kisii. The fittings must last long and not rust, even when exposed to damp conditions. Which metal is the best option?  (1 mark)

A plumber is choosing a metal to use in fittings for a water purification system in Ktui. The fittings must last long and not rust, even when exposed to damp conditions. Which metal is the best option?  (1 mark)

A startup in Nairobi is building an affordable electric car. They must reduce the weight of the vehicle for battery efficiency, while ensuring the metal used is strong and doesn’t rust easily. Which metal should they choose for the vehicle body?

A startup in Nairobi is building an affordable electric car. They must reduce the weight of the vehicle for battery efficiency, while ensuring the metal used is strong and doesn’t rust easily. Which metal should they choose for the vehicle body?  (1 mark)

A startup in Nairobi is building an affordable electric car. They must reduce the weight of the vehicle for battery efficiency, while ensuring the metal used is strong and doesn’t rust easily. Which metal should they choose for the vehicle body?  (1 mark)

A startup in Nairobi is building an affordable electric car. They must reduce the weight of the vehicle for battery efficiency, while ensuring the metal used is strong and doesn’t rust easily. Which metal should they choose for the vehicle body?  (1 mark)

A tech company is producing connectors for high-end data cables used in banks. They want a metal that resists corrosion and provides the best electrical conductivity, regardless of cost. Which metal should the company use?

A tech company is producing connectors for high-end data cables used in banks. They want a metal that resists corrosion and provides the best electrical conductivity, regardless of cost. Which metal should the company use?  (1 mark)

A tech company is producing connectors for high-end data cables used in banks. They want a metal that resists corrosion and provides the best electrical conductivity, regardless of cost. Which metal should the company use?  (1 mark)

A tech company is producing connectors for high-end data cables used in banks. They want a metal that resists corrosion and provides the best electrical conductivity, regardless of cost. Which metal should the company use?  (1 mark)

Wanjiku is attending a Kikuyu traditional wedding and wants to wear a necklace that shows wealth and status. Which metal is most appropriate for her jewellery?

Wanjiku is attending a Kikuyu traditional wedding and wants to wear a necklace that shows wealth and status as shown below. Which metal is most appropriate for her jewellery?  (1 mark)

Wanjiku is attending a Kikuyu traditional wedding and wants to wear a necklace that shows wealth and status as shown below. Which metal is most appropriate for her jewellery?  (1 mark)

Wanjiku is attending a Kikuyu traditional wedding and wants to wear a necklace that shows wealth and status as shown below. Which metal is most appropriate for her jewellery?  (1 mark)

Wanjiku is attending a Kikuyu traditional wedding and wants to wear a necklace that shows wealth and status as shown below. Which metal is most appropriate for her jewellery?  (1 mark)

An engineer is designing medical tools for use in a rural Kenyan hospital. The tools must be non-toxic, resist bacteria, and work well around sensitive electronic machines. Which metal should be chosen for such medical equipment?

An engineer is designing medical tools for use in a rural Kenyan hospital. The tools must be non-toxic, resist bacteria, and work well around sensitive electronic machines. Which metal should be chosen for such medical equipment?  (1 mark)

An engineer is designing medical tools for use in a rural Kenyan hospital. The tools must be non-toxic, resist bacteria, and work well around sensitive electronic machines. Which metal should be chosen for such medical equipment?  (1 mark)

An engineer is designing medical tools for use in a rural Kenyan hospital. The tools must be non-toxic, resist bacteria, and work well around sensitive electronic machines. Which metal should be chosen for such medical equipment?  (1 mark)