How do the light patterns emitted by various light sources compare with one another?
Colored pencils. Helium and Mercury gas discharge tubes and power supplies. Diffraction sli
Teacher Notes Soil pH
Teacher Notes Activity 13: Soil pH
Preparation: 60 min
Activity: several days
Students will be able to
collect several community soil samples and record data about the type of soil and it
Describe the solutions of each inequality in words.
1. -6 m
2. 3t > 12
3. -x 2
4. 2 + b 10
6. 2.5 < c
7. y -
8. 3 - (4 + 7) h
Graph each inequality.
5. b > -3
Write the inequality shown by each graph.
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Vocabulary Apply the vocabulary from this lesson to answer each question.
graph is made of connected lines or curves. (continuous or discrete)
13. For six months, a puppy gained weight at a steady rate. Sketch a graph to illustrate
the weight of the puppy during that time period. Tell whether the graph is
continuous or discrete.
Write a possible situation for each graph.
23. Which situation would NOT be represented by a discrete graph?
Amount of money earned based on the number of cereal bars sold
Number of visitors to a grocery store per day for one week
The amount of iced tea in a pitcher at a restaurant during the lunc
What difficulties did you run into writing the frequency analysis program? How did you resolve these
At first I struggled with how to match values from the input text to part of the array. If this were