PS Spr 22 Final

Front

The conversion of an atom of one element to an atom of another element is called _______.

Back

transmutation

Front

A substance such as litmus or phenolphthalein that indicates if a substance is an acid or a base by means of a color change is called _______.

Back

indicator

Front

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?

Back

150 Newtons

Front

Which is an example of a physical change?

Back

Folding a piece of paper.

Front

Which of the following situations is characteristic of no acceleration?

Back

A car with cruise control set at 80 km/h going down a straight highway.

Front

What is the formula for calculating force?

Back

Force = Mass × Acceleration

Front

Define acceleration in physics.

Back

Acceleration is the rate of change of velocity of an object with respect to time.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is an example of a chemical change?

Back

Wood burning.

Front

What does an indicator do in a chemical reaction?

Back

An indicator changes color to show whether a substance is an acid or a base.