Subject taught
- Physics

Link
https://www.britannica.com/science/gravity-physics

Type of Product
- Articles
- Videos
- Web Site/Portal

Language Skills Developed
- Listening
- Speaking
- Writing

Transferable/Scientific Skills Developed
Teaching material will help students to develop self-motivation, collaborative learning, problem-solving and self-directed, independent learning skills.

Description
The students will be able to explain what the force of gravity is, what the effects of gravity on the Moon and Earth are, how the force of gravity varies with distance from the Earth
Linguistic aims:
- to practice reading skills,
- to expand active vocabulary,
- to expand topic related vocabulary,
- to improve speaking skills,
Subject specific aims:
- to explain what the force of gravity is,
- to learn the definition of gravity,
- to understand the effects of gravity on Moon and Earth,
- to understand how the force of gravity varies with distance from the Earth.

Target group age: 16 – 18 years old secondary school students.
Level of competence in English is (CEFR) B1/B1+.
Time required to use the source with students: 45 minutes.
How to use it
The resource consists of three short videos (Explanation of gravitational force and Overview of gravity, with a focus on zero gravity, An experiment to demonstrate which is faster over 10 metres: the fastest sprinter in the world or an object pulled by gravity), pictures (Effects of gravity on Earth and the Moon, The force of gravity varies with distance from Earth, Experimental evidence for general relativity, Gravity versus launch speed, Tides caused by the gravitational pull of the Sun and the Moon on Earth’s water, Gravity map of Earth’s oceans, Force in Earth-Sun system) and an article providing information about development of gravitational theory, Newton’s law of gravity, weight and mass, interaction between celestial bodies, effects of local mass differences. As the resource can be used in PDF format, teachers can make copies of the article and distribute to the students. When reading the article, students will not only revise, but also expand the topic related vocabulary and will be able to translate key words and use them while talking about the force of gravity.
After working with the text students should be able to explain what the force of gravity is, should be able to answer the questions: What would happen to us if the force of gravity disappeared? How fast objects fall towards the Earth because of the gravity? What does the force of gravity depend on? How does the force of gravity change depending on where you are standing on it?
The resource contains a lot of information, therefore, a teacher can choose to use all the material included in the resource, or to use only separate elements.
Possible difficulties for students. Students who have poor knowledge of English may have difficulties understanding the text and answering the questions.

Comments
Strength: The resource contains a lot of information, therefore, a teacher can choose to use all the material included in the resource, or to use only separate elements of the resource. The source is reliable and is a perfect additional material teaching about the force of gravity. Scientific reliability: the teaching resource is prepared professionally. Pedagogical value: the teaching material can be used in the classroom and at home, working individually. The resource could also be recommended as an additional material for students who show more intertest in the subject.

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