In order to make observations, an observer must always use:

If you break a piece of glassware, what should you do?

At the end of a lab,

Eating is permitted during a lab ________________.

Horseplay, jokes, and pranks are not appropriate in a science classroom.

The class is preforming an experiment to see how the angle of the ramp affects the speed of a matchbox/hot wheel car. What is the car?

The one variable that is changed between each of the different experimental groups in an experiment is called the ____________.

The variables in a experiment that are held the same between the different set-ups in the experiment are called ___________-.

The variable in the experiment where the change is measured.

You are testing how temperature of the water affects the time it takes for a bean seed to sprout. The different temperatures used in degrees Celsius are (20, 25, 30, 35). The dependent variable for this experiment is .

Which is an example of a hypothesis

A test is done to see which type of battery will power a toy phone the longest. The independent variable for this experiment would be ____________-.

An experiment should only be done once, or you might come up with different and confusing results.

You look out of your window and see two men carrying a TV set away from your neighbor's house. Which is an inference based on this observation?

The tool used to measure mass is a _______________

What is the correct order for the steps of the scientific method?

Which is an example of a quanitative observation?

What tool would you use to have a precise measure of the volume of a liquid?

Which is an example of a qualitative observation?

A hypothesis is:

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