Jelly and osmosis

Jelly and osmosis

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Short description

Jelly beans and osmosis

Type of resource: Jelly beans and osmosis

Web address https://www.facebook.com/CentrumNaukiKopernik/videos/860788994775780/

Language: English, Polish

Description

Experiment - investigating the behaviour of jelly beans (gummy bears) in differetnt kinds of solutions. Discovering the chemical process of osmosis

Scientific concept introduced

Osmosis, measuring cup, solution, water, jelly beans

Creative and critical thinking

Critical thinking - analyzing, comparing

Mathematical reasoning

measuring the proper amounts of water, salt and sugar wody, soli i cukru, using the measuring cup

Scientific thinking

observing, predicting, drawing conclusions, formulating hypotheses

Learning how to learn

Learning how to learn: curiosity, motivation and engagement, reflecting on one’s own learning and knowledge

Additional

A/ Enriching scientific vocabulary
B/ Teamwork
C/ Fine motor skills development, following the rules of safety

Full description

Jelly beans and osmosis

Overall aims

Building the scientific concept of osmosis;
Supporting the development of scientific thinking with experiments
Creating the possibilities to develop the cooperation abilities with teamwork
Developing scientific language - supporting one’ own statements with empirical arguments

Vocabulary - keywords should be understood

Osmosis, measuring cup, solution, water, jelly beans

Expected learning outcomes (operational aims)

The child will be able to:
- Measure the right amount of water (5ml)
- Prepare solutions
- Correctly name the phenomena and objects studied
- Perform the experiment on his own
- Analyze and draw conclusions on the basis of the conducted research
- Independently experience, observe, draw conclusions and argue his statements (conclusions)
- Explain the phenomenon of osmosis

STEM skills - to which the learning unit is related to

CORE STEM SKILLS

Critical thinking - analyzing, comparing

Mathematical reasoning: measuring the proper amounts of water, salt and sugar wody, soli i cukru, using the measuring cup

Scientific thinking: observing, predicting, drawing conclusions, formulating hypotheses

Learning how to learn: curiosity, motivation and engagement, reflecting on one’s own learning and knowledge

ADDITIONAL SKILLS

- enriching scientific vocabulary
- teamwork
- fine motor skills
- following the rules of safety

Teaching methodologies/activity outline

Prepare: 7 glasses (beakers), 7 jelly beans - gummy bears, water, sugar, salt, vinegar, soda, coca cola, alcohol,, measuring cup for water, teaspoon, camera

 

Creating a problem situation: show jelly beans to children and ask the question
Problem question: What will happen when we throw jelly beans into different solutions? (water, salt solution, sugar, vinegar, coca cola, soda, alcohol)
Formulating hypotheses: jot down the child's predictions.

 

Verification of hypotheses:
Conducting the experiment with the whole group:

 

1. ask the children, one by one, to prepare 5 ml of water in each beaker,

 

2. then sprinkle or add to each but one: a teaspoon of salt, a teaspoon of sugar, a teaspoon of soda, coca cola, vinegar, and alcohol).

 

3. Mark the beakers.

 

4. Then drop one jelly bear into each beaker.

 

5. Leave for 24 hours to observe the results.

 

Description of the results and formulation of conclusions:
Take the gummy bears (jelly beans) out of the beakers with tweezers and observe what happened.

 

Ask the children to compare it with a control gummy bear (jelly bean) that was left in empty glass

 

Ask the children to observe and explain: What happened to the gummy bears? Why did some of them become smaller and others larger than they were at the beginning? What is this phenomenon (process) called? What is osmosis and how does it work? Let the children explain with their own words what osmosis is about.

 

Tip for the teacher. Definition of osmosis: Osmosis is a process that occurs in all living organisms. It consists in passing through the semipermeable membrane of water molecules from a solution with a lower concentration to a solution with a higher concentration of molecules

Assessment of learning

Child’s working card - a drawing documenting the effects of the experiment, a photo of the results

Equipment and materials to be used in learning unit (tools, ingredients etc)

Jelly beans - gummy bears, water, sugar, salt, vinegar, soda, coca cola, alcohol, 7 beakers, measuring cup for water, teaspoon, inscriptions of solutions, work card - with results, camera

Kind of setting

Classroom

References - source

https://www.facebook.com/CentrumNaukiKopernik/videos/860788994775780/

Evaluation

Jelly beans and osmosis

 


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