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

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

Which of the following best describes a collection?

Back

A group of items that are gathered together.

Front

How do the parts of a flashlight function as a system?

Back

It converts chemical energy from batteries into light energy with the light bulb.

Front

Why is a flashlight considered a system?

Back

It has parts that work together to produce light.

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 model in science?

Back

To represent and simplify complex systems for better understanding.

Front

What is energy?

Back

The ability to do work or cause change.

Front

What is chemical energy?

Back

Energy stored in the bonds of chemical compounds, like food or batteries.