Boiling red cabbage turns water purple. Is this a qualitative or quantitative observation?

What type of equipment is used for volume?

What type of graph would BEST show the speed of a car at several times during a trip?

Elements cannot be changed into another element by physical or chemical changes.

A chemical change is permanent.

On a motion graph, what best represents constant speed over time?

A pitcher throws a ball from the pitcher's mound to home plate at 80 mph. What is this an example of?

Some students are experimenting to test whether a plant needs fertilizer for growth. How should they treat the control plant in this experiment?

What contains only one type of atom?

A silver spoon tarnishing and leaves changing color is an example of a _________ change.

When plants undergo photosynthesis, what type of energy is converted into chemical energy?

Silver spoon tarnishing, leaves changing colors in the fall, water separating into hydrogen and oxygen are all examples of....

Wind power is used to pump water from the ground and generate electricity. The most likely positive environmental impact of using wind power is....

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