Starter Activity

Which of the following states of matter is the least dense?

• Solid

• Liquid

• Gas

• Plasma

What is the purpose of a "factor of safety" in engineering?

• To increase production speed

• To ensure a design can handle more than the expected load

• To reduce the cost of materials

• To make devices lighter

Which of these metals is known for its resistance to rust?

• Iron

• Copper

• Stainless Steel

• Aluminum

What is a common use of natural gas?

• Fuel for cars

• Heating homes

• Making plastics

• Building materials

What unit is typically used to measure pressure?

• Newtons

• Pascals

• Joules

• Volts

When materials are exposed to very low temperatures, they tend to:

• Expand and soften

• Become brittle

• Stay the same

• Become more flexible

Why might engineers choose aluminum over steel for certain parts in cars?

• Aluminum is heavier

• Aluminum is cheaper

• Aluminum is lighter

• Aluminum is stronger

What is the primary component of the Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Helium

In the context of energy sources, LNG stands for:

• Liquid Nitrogen Gas

• Liquefied Natural Gas

• Low Nitrogen Gas

• Lightweight Natural Gas

Which of the following best describes "verification" in engineering?

• Designing new products

• Checking that a design meets specific requirements

• Building a prototype

• Testing the final product for customer feedback