semester 1 review

A possible explanation for a set of observations or answer to a scientific question is called a ____.

• theory

• law

• hypothesis

• prediction

A standard for comparison in an experiment is called a ____.

• control

• variable

• constant

• fact

Process that uses observations and investigation to gain knowledge about events in nature is called.

• experiment

• science

• inferring

• experiment

The amount of space occupied by an object is ____.

• mass

• volume

• lengeth

• density

The SI base unit for temperature is ____.

• candela

• Fahrenheit

• kelvin

• mole

To reveal trends in data, the data should be presented in a(an) ____.

• scientific investigation

• hypothesis

• graph

• observation

amount of matter in an object

• mass

• density

• time

• element

which graph shows trends or how data changes over time?

• line graph

• pie graph

• bar graph

• scatter plott

what standard system of measurement is used worldwide?

• international system of measurement (SI)

• US Customary

• Meter

• the foot

what has occurred when an object changes position relative to a reference point?

• distance

• displacement

• motion

• speed