Free Printable Ch 2 Matter and Energy

Worksheets

Ch 2 Matter and Energy

Total questions: 14

Worksheet time: 7mins

Name

Class

Date

The energy that results from the breaking or formation of chemical bonds is ___.

temperature

potential energy

chemical energy

kinetic energy

The specific heat of a given substance...

depends on the mass of the substane

varies with temperature

is the same for all substances

is unique to that substance.

For every investigation, the scientific method

is the same set of procedures

is a logical set of procedures

must be abandoned if there are unexpected results

helps to predict what results will be obtained

Poor precision in scientific measurement may arise from

the standard is too strict

human error

limitations of the measuring instrument

both human error adn the limitations of the instrument

Five darts strike near the center of the target. Whoever threw the darts is...

accurate

precise

both accurate and precise

neither accurate nor precise

The number of significant digits in 170.040 is

Round the following to 2 significant digits: 125.001

125

120

130

125.00

"In any chemical or physical process, energy is neither created nor destroyed" is a statement of the...

Law of conservation of energy

Law of conservation of mass

Law of conservation of chemicals

Law of conservation of systems

A temp of 323K is equivilant to...
$C^o=K-273$

1.2

-50

396

10.

The reason for organizing, analyzing, and classifying data is

so computers can be used

to prove a law or theory

to find relationships among the data

to help predict what results will be obtained

11.

A plausible explanation of a body of observed natural phenomena is a scientific...

principle

experiment

law

theory

12.

The units of q in $q=mc\Delta T$ are...

J/g*K

13.

The units of c in $q=mc\Delta T$ are...

J/g*K

14.

Find volume to the correct number of sig figs:
l=1.5cm; w=3.00cm; h=1.00cm
Recall: $v=lwh$

4.5

4.50

5.00

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Ch 2 Matter and Energy

Total questions: 14

Worksheet time: 7mins

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