# Mrs. Buchanan - Practice Of Science Question Preview (ID: 1264)

### Practice Of Science Review For Semester Exam. Answers? Play games to get them!

Scientific research based on observations is called
a) Descriptive
b) Experimental
c) Observational
d) Estimational

Scientific Resarch that requires the experimenter to change something and measure the outcome is called
a) Descriptive
b) Experimental
c) Observational
d) Estimational

How many millimeters are in one meter?
a) 100
b) 1
c) 1000
d) .01

The amount of matter that makes up an object is called the object's ____________
a) volume
b) density
c) mass
d) weight

The amount of space an object takes up is called its _____________________________
a) weight
b) mass
c) volume
d) density

The formula used to calculate density is _____
a) volume/mass
b) mass/volume
c) mass * volume
d) mass + volume

In the SI system, the standard unit for volume is the _____________
a) gram
b) meter
c) liter
d) pound

Which of the following is not a unit in the SI system
a) meter
b) liter
c) gram
d) feet

What is the term for the variable that is changed by the experimenter?
a) dependent variable
b) independent variable
c) constant
d) control group

A scientist is studying the effect of compost on the height of a plant. What is the dependent variable?
a) amount of compost
b) amount of water
c) plant height
d) amount of sunlight

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