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Collection of Reviewed Teaching Resources

Photosynthesis – an experiment

Subject taught
- Biology

Link
https://www.youtube.com/watch?v=4NM7kGKDk2A

Type of Product
- Videos

Language Skills Developed
- Listening
- Reading
- Speaking
- Writing

Transferable/Scientific Skills Developed
Student will develop self-motivation, analytical skills and problem-solving skills.

Description
General aims
Students will be able to perceive how light can influence plants. Students can explore this phenomenon by watching an experiment on leaves left under light and dark conditions.
They will acquire the basic English vocabulary connected with the topic (photosynthesis). Students will develop positive learning habits such as organisational and analytical skills.
Linguistic aims
Students will be able to:
-Listen to the video with ease
-reflect on their listening experience and share it with their peers
-get the main ideas
-comprehend the topic correctly
-translate words connected with the topic (greenhouse effect) from English into their mother tongue.
Subject specific aims
Students will be able to:
-explain the phenomenon, its causes and effects
-provide solutions to related problems in their context
Target groups age:
Students from high school 16-18+ years old. What is more, this web site can be used by anyone who wants to do extend knowledge about light/dark/ photosynthesis.
Level of competence in English (CEFR)
B1+/B2
Time required to use the resource with the students: 50 minutes
How to use it
Teacher introduces the topic and revises the photosynthesis process with students. Teacher tells students about an interesting experiment they can also carry out which highlights the role that light has in this process.
Students are set into pairs or groups. They have to watch the video and put the stages of the experiment in the right order (the right order: explaining what the students have to do; preparing the piles of leaf disks; preparing the solution for the leaves; loading the leaf disks into a syringe; preparing the syringe; transferring the content of the syringe into a plastic cup; checking the sunken leaves in the cups and preparing the cups; placing them in light and dark conditions). At min 6 teacher interrupts the video and asks students why the leaves start floating when they are in the light condition. After listening to several explanations, teacher plays the video and invites students to find out the answer. Students can do the experiment themselves as a follow up and present it to another class of students.
Possible difficulties for the students
Students who have poor knowledge of English can have problems with understanding the content.

Comments
Using videos in class makes learning easier and more engaging for students. With the help from videos the outside world is brought into the classroom and abstract concepts become more concrete and therefore more comprehensible. The resource is visually appealing to students as it presents an interesting experiment to students. The video is scientifically reliable and can be recommended to students.

Related Video Lessons

Photosynthesis