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In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide. This is an introductory activity in "The Brain in Space: A Teacher's Guide with Activities for Neuroscience" but can be used to introduce any group of learners about the scientific method. This activity requires 3 days of 40-45 minutes of learning each day. The lesson guide includes background information, variations depending on age/level, and post-lab discussion suggestions.
- 45 to 60 minutes
- 1 to 7 days
- $5 - $10 per group of students
- Ages 8 - 18
- Activity, Experiment/Lab Activity, Lesson/Lesson Plan
- English
Quick Guide
Materials List (per group of students)
- 10 grams calcium hydroxide powder
- One liter of water
- Filter paper
- Filter funnel
- Large bottle (2 liters)
- Flasks or small bottles
- Plastic test tubes, 50 ml in volume
- Straws
- Goggles
- Foil
- Other materials depending on the experiments designed
Subjects
-
Earth and Space Science
-
Earth Structure
- Biosphere
-
Earth Structure
-
Life Sciences
- Cells
-
Human Body
- Respiration
-
Physical Sciences
-
Chemistry
- Chemical Reactions
- Solutions
-
States of Matter
- Gases
-
Chemistry
-
Mathematics
-
Data Analysis and Probability
- Data Analysis
- Data Collection
- Data Representation
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Measurement
- Rate
-
Data Analysis and Probability
-
The Nature of Science
-
The Scientific Process
- About Inquiry
- Asking Questions
- Conducting Investigations
- Gathering Data
- Formulating Explanations
- Communicating Results
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The Scientific Process
-
The Nature of Technology
- The Design Process
Audience
To use this activity, learners need to:
- see
- read
- touch
Learning styles supported:
- Involves teamwork and communication skills
- Involves hands-on or lab activities
Other
Includes alignment to state and/or national standards:
This resource is part of:
Access Rights:
- Free access
By:
- MacLeish, Marlene Y. ; McLean, Bernice R.
Rights:
- Public domain, NASA,