Modeling Matter Review

Multiple Choice

Each type of pasta represents a different

• dinner.

• substance.

• food group.

• mixture.

Multiple Choice

In a substance these are all the same

• space

• mixtures

• inferences

• molecules

Multiple Choice

What are made of different substances and contain more than one kind of molecule?

• Mixtures

• Atoms

• Substances

• Molecules

Multiple Choice

Each kind of molecule has its own ______.

• friend

• mixture

• model

• properties

Multiple Choice

What is the smallest unit of matter?

• an ant

• a molecule

• a mixture

• an atom

Multiple Choice

What happened in the pasta model when we shook the container?

• The pasta became more mixed.

• The pasta separated based on inferences.

• The pasta separated based on properties.

• The lid came off and pasta spilled everywhere.

Multiple Choice

The marble is smooth.

Is this an inference or an observation?

• Inference

• Observation

Multiple Choice

In the chromatography model, the water traveled up the paper because the molecules ______.

• were attracted to one another.

• repelled one another.

• were scared.

• jumped.

Multiple Choice

What makes one molecule different from another?

• The mixture it's in

• Its properties

• Its likes and dislikes

Multiple Choice

Which choice represents some properties of molecules?

• hearts and arrows

• Shape, size, weight, and attraction to other molecules

• mixtures and substances

Multiple Choice

The marble was made in a factory.

Is this an inference or an observation?

• Inference

• Observation

Multiple Choice

The photo is an example of a three dimensional ______ of water molecules.

• model

• cup

• sbustance