CSI & CBB1-1 Vocabulary

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1 point

Molecules are groups of two ore more atoms held together by chemical bonds.

True

False

1 point

A heterogeneous mixture is mixed so evenly that you can't see the different parts.

True

False

1 point

An atom is ______________

groups of two or more atoms held together by chemical bonds.

the basic particle from which all elements are made

a force of attraction between two atoms

anything that has mass and takes up space

1 point

A chemical bond is ______________

a force of attraction between two atoms

anything that has mass and takes up space

the study of properties of matter and how matter changes

a pure substance made of two or more elements chemically combined in a set ration

1 point

Chemistry is the study of ____________________

properties of matter and how matter changes

rocks and minerals

living things and how they affect the world

space

1 point

An operational definition is _______________

the factor that you change in an experiment

a statement that describes how a particular variable is to be measured or how a term is to be defined.

the observations and measurement you make in an experiment

a possible explanation for a set of observations or answer to a scientific question.

1 point

Matter is anything that takes up space.

True

False

1 point

A conclusion is __________

a statement that sums up what you have learned from an experiment

any factor that can change in an experiment

the observations and measurement you make in an experiment

the factor that changes as a result of the manipulated variable.

1 point

An element is a pure substance that can be broken down into any other substances by chemical or physical means.

True

False

10.

1 point

A variable is any factor that does not change in an experiment.

True

False

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