# SCI 155 Chap 1a: Question Preview (ID: 9046)

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Gram is a unit for
a) length
b) mass
c) volume
d) time

Meter is a unit for
a) length
b) mass
c) volume
d) time

Liter is a unit for
a) length
b) mass
c) volume
d) time

There are 1000 * in 1 gram.
a) decigrams
b) centigrams
c) milligrams
d) kilograms

How many centimeters are equal to 32 meters?
a) 0.32
b) 3.2
c) 320
d) 3200

When one variable decreases as the other variable increases, they are * related.
a) not
b) directly
c) inversely
d)

What is the density of a 10 g object that has a volume of 5 cm3?
a) 2
b) 0.5
c) 50
d) not enough information

A * is used to show that the result of an experiment is really due to the condition being tested.
a) variable
b) control
c) hypothesis
d)

The factor that changes in an experiment is the
a) variable
b) control
c) hypothesis
d)

A scientific theory describes what happens time after time, while a scientific law explains why something happens.
a) true
b) false
c)
d)

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