What is a hypothesis?

• The problem you are investigating.

• A conclusion you make based on what we have observed.

• What you observe happening during the experiment.

• An idea or explanation that you test through studies and experiments.

What is an inference?

• The problem you are investigating.

• A conclusion you make based on what we have observed.

• What you observe happening during the experiment.

• An idea or explanation that you test through studies and experiments.

What is an observation?

• The problem you are investigating.

• A conclusion you make based on what we have observed.

• Getting information through any one of the senses: sight, hearing, taste, touch, and smell.

• An idea or explanation that you test through studies and experiments.

Inference or observation???

The banana turned brown.

• inference

• observation

Inference or observation???

The oxygen in the air combined with substances from the banana which caused it to change colour.

• inference

• observation

What is a property?

• A quality or trait that a thing or substance has.

• Something that is missing.

• Something you own.

Air is....

(Select 2 answers)

• made up of gases

• solid

• invisible

• weightless

What property of air is demonstrated in the picture?

• air exerts pressure

• air has mass

• air is a fluid

• air takes up space

By not being able to inflate the balloon, what property of air being demonstrated?

• air has mass

• air can be compressed

• air is a fluid

• air takes up space

air is ___________!