Engineering

Multiple Choice

Which of the following best describes the significance of engineering in society?

• It helps solve real-world problems and improves quality of life.

• It is only about building bridges and roads.

• It is mainly about working with computers.

• It has little impact on our everyday lives.

Multiple Choice

What are the two key things engineers must define when designing a solution to a problem?

• Criteria and constraints

• Materials and cost

• Time and effort

• Size and shape

Multiple Choice

Which of the following best describes the main goal of engineering?

• To design an object or process to solve a problem

• To conduct scientific experiments

• To write computer programs

• To build tall structures

Open Ended

List and briefly describe two steps that are involved in both the engineering design process and the scientific method.

Multiple Select

Which of the following are characteristics of an endothermic reaction? (2)

• Energy is absorbed from the surroundings

• Temperature of the surroundings drops

• Energy is released as heat

• Temperature of the surroundings increases

Fill in the Blanks

Fill in the blank: In an exothermic process, energy is released as

, causing the temperature of the surroundings to increase.

Open Ended

Both natural and synthetic products come from natural resources. Explain why this statement is true.

Fill in the Blanks

Natural substances can be grown or found in

.

Multiple Choice

Which of the following best describes a synthetic product?

• A product that is found in nature without any changes

• A product that is processed and chemically changed by people to have new characteristics

• A product that is only made from plants

• A product that cannot be made by humans

Multiple Select

Which of the following are examples of things that can be both natural and synthetic? (3)

• Vitamins

• Water

• Plastic

• Salt

Open Ended

Describe the chemical processes used to make synthetic products, including the steps engineers might take.

Multiple Choice

What is one possible negative impact of making synthetic products compared to natural products?

• Synthetic products always use renewable resources

• Synthetic products never require processing

• Making synthetic products can involve processing natural resources, which may have environmental impacts

• Synthetic products are always safer than natural products