Flashcard #1: Liftoff Task Vocabulary Quiz: Unit 2 (Thermal Energy)

Front

How does a mathematical model help in understanding concepts?

Back

By using equations and graphs to show us a 'picture' that is represented by the numbers.

Front

Why is a flashlight considered a system?

Back

It has parts that work together to produce light.

Front

Which of the following is an example of a mathematical model?

Back

A graph.

Front

What is a system?

Back

A group of items or parts that work together and interact to perform some function/task.

Front

What is a model?

Back

A tool that makes something easier to understand.

Front

What is thermal energy?

Back

The energy that comes from the temperature of matter.

Front

What is an example of a system in nature?

Back

An ecosystem, where living and non-living things interact.

Front

What is the purpose of a diagram in science?

Back

To visually represent information or concepts.

Front

What does it mean to minimize energy?

Back

To reduce the amount of energy used in a process.

Front

What is the relationship between thermal energy and temperature?

Back

Temperature is a measure of the average kinetic energy of particles in a substance.