Exploring Energy and Thermal Transfer

What is the basic unit of energy in the International System of Units (SI)?

• Watt

• Joule

• Newton

• Calorie

Which term describes the ability to do work or cause change?

• Force

• Energy

• Power

• Mass

What is the process called when energy is transferred from a warmer object to a cooler one?

• Conduction

• Radiation

• Energy transfer

• Reflection

Which of the following is an example of thermal energy transfer by conduction?

• The Sun warming your face

• A spoon getting hot in a cup of tea

• A fan blowing air

• A light bulb glowing

What is the main source of energy for most processes on Earth?

• The Moon

• The Sun

• The Oceans

• The Wind

Which of the following best defines kinetic energy?

• Energy stored in food

• Energy of motion

• Energy from the Sun

• Energy stored in batteries

Which of the following is a step in defining an engineering problem?

• Building a prototype

• Identifying criteria and constraints

• Testing a solution

• Drawing a diagram

What is the first thing engineers do when faced with a problem?

• Build a model

• Define the problem

• Test a solution

• Write a report

Which of the following is an example of developing a possible solution to an engineering problem?

• Identifying the problem

• Brainstorming ideas

• Measuring results

• Reporting findings

What is the purpose of creating multiple solutions in engineering?

• To make the process longer

• To increase the chance of finding the best solution

• To avoid teamwork

• To reduce costs