6th Grade Science Units 1-3 Overview

Front

What is the primary source of energy for ecosystems?

Back

The Sun

Front

What is the independent variable in an experiment?

Back

The variable that is changed or controlled to test its effects on the dependent variable.

Front

What changes about a person when they travel to the Moon?

Back

Their weight.

Front

What is the role of decomposers in a food chain?

Back

Break down dead organisms and add nutrients to the soil.

Front

What is an independent variable?

Back

The variable that you may change in the experiment.

Front

What is a dependent variable?

Back

The variable that is measured in an experiment.

Front

What do producers do in an ecosystem?

Back

Use sunlight to make food through photosynthesis.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is a food chain?

Back

A sequence that shows how energy and nutrients flow from one organism to another.

Front

What is the significance of the Sun in an ecosystem?

Back

It provides the energy necessary for photosynthesis, which supports the entire food web.