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Unit 1, Activity 2, Specific Assessment Rubric

Chemistry

Blackline Masters, Chemistry Louisiana Comprehensive Curriculum, Revised 2008

Page 1

Unit 1, Activity 2, Specific Assessment Rubric

3 Measurements are to the correct number of significant figures Units included Answers are within the range of acceptable error Measurements finished within the prescribed time limit All measurements

2 2 or 3 measurements

0 Less than 2 measurements

All measurements

2 or 3 measurements

Less than 2 measurements Less than 2 measurements

All measurements

2 or 3 measurements

All measurements

2 or 3 measurements

Less than 2 measurements

Questions Answered

All safety rules followed Answered correctly

Answered incorrectly but supported by evidence

Answered incorrectly. No supporting evidence.

Blackline Masters, Chemistry Louisiana Comprehensive Curriculum, Revised 2008

Page 1

Unit 1, Activity 3, Accuracy and Precision Worksheet

Figure 1

Figure 2

Figure 3

1. Determine the accuracy and precision represented by each group of darts in the figures above. Explain your choices using complete sentences. Figure 1 Precision? Accuracy? Figure 2 Figure 3

2. A basketball player throws 100 free-throws; 95 of these balls go through the goal; 5 miss the goal entirely. Describe the precision and accuracy of the free-throws. 3. The same player is having an off day; 5 balls go through the goal; the other 95 balls bounce off of the rim. Describe the precision and accuracy of the throws.

Blackline Masters, Chemistry Louisiana Comprehensive Curriculum, Revised 2008

Page 2

Unit 1, Activity 3, Accuracy and Precision Worksheet Answers

Figure 1 Figure 2 Figure 3 1. Determine the accuracy and precision represented by each group of darts in the figures above. Explain your choices using complete sentences. Figure 1 Precision? Good All of the darts are grouped in the same area. Poor None of the darts are grouped in the bull’s-eye. Picture 2 Poor None of the darts are grouped in the same area. Poor Few of the darts are grouped in the bull’s-eye. Picture 3 Good All of the darts are grouped in the same area. Good All of the darts are grouped in the bull’s-eye.

Accuracy?

2. A basketball player throws 100 free-throws; 95 of these balls go through the goal; 5 miss the goal entirely. Describe the precision and accuracy of the free-throws. The player has good precision and good accuracy because so many of the balls go through the goal. 3. The same player is having an off day; 5 balls go through the goal; the other 95 balls bounce off of the rim. Describe the precision and accuracy of the throws. The player has good precision because so many balls bounce off the rim but poor accuracy because so few balls make it through the goal.

Blackline Masters, Chemistry Louisiana Comprehensive Curriculum, Revised 2008

Page 3

Unit 2, Activity 1, Card Sort Template 1

Matter Pure Substance Element Compound

Homogeneous Heterogeneous Mixture

Blackline Masters, Chemistry Louisiana Comprehensive Curriculum, Revised 2008

Page 4

Unit 2, Activity 1, Card Sort Template 2

Muddy Water Solution salt water Metal nonmetal

Na As Cl NaCl Metalloid

Blackline Masters, Chemistry Louisiana Comprehensive Curriculum, Revised 2008

Page 5

Unit 2, Activity 1, Sample Concept Map
Elements, Compounds and Mixtures Concept Map

MATTER

Can be either MIXTURE PURE SUBSTANCE Is Is Can be

ELEMENT

Chemically combine to form

COMPOUND

HOMOGENEOUS

HETEROGENEOUS

Is either Example Is called Example

METAL

METALLOID

NONMETAL

NaCl

SOLUTION

MUDDY WATER

Example Na

Example As

Example Cl

Example SALT WATER

Blackline Masters, Chemistry Louisiana Comprehensive Curriculum, Revised 2008

Page 6

Unit 2, Activity 2, Sample Word Grid

Sample:

Homogeneous

Can be separated Heterogeneous into individual components

The properties of the...
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