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Vazquez Pd. 3 Earth Science HW
May 16, 2022
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Lab Report – Complete the Lab Report by copying the information below (Title, Objective, Material, Procedure, Results, Analysis) Answer all the questions in the Analysis section.
Title: Collecting Air-Pollution Particles
Objective: To collect and analyze air pollution particles around the school.
Materials (For each students)
- 5 in x 7 in index card
- magnifying lens
- petroleum jelly
- push pins
- plastic spoon, or paintbrush
Procedure
- Choose a location around school and label your card with the location you chose.
- Use a plastic spoon or a small paintbrush to cover the index card with a thin coat of petroleum jelly.
- Use the pushpin to hang the card in the chosen location.
- A few days later, collec the cards and use a magnifying lens to count the number of particles on the card. Record your particle total.
- Once totals from every student has been collected fill out the Results table
Results:
Location of card | Total Number of Particles | Lowest particle count | Highest particle count |
Around the school | 3148 | 43 | 26 |
Analysis:
- Who had the lowest particle count for your class? __________________
- Who had the highest particle count for your class? __________________
- Calculate the average particle count.
- What particle count is the median? What particle count is the mode?
- Does the average particle count represent the count for one day?
- If you waited several days before counting the particles, how can you get an average particle count for just one day?
- Is there more than one type of particle?
- Can you identify the particles and their possiboe sources?
- Hypothesize why some students had more particles in theis cards than others?
Class List of Particle Count:
Malachi – 130
Saniyah – 130
Reco – 100
Maria – 100
Jordan – 110
Raelynn – 142
Aly-Kristina – 43
Crystal – 140
Keandre – 218
Nyah – 218
Kamar – 140
Austin – 130
Job – 72
Elijah – 72
Bentley – 57
Zachee – 150
Winston – 176
Kimaria – 240
Kylah – 80
David – 110
Rahjada – 100
Jamarion -100
Imani – 260
Deazah – 230