

Energy
Presentation
•
Physics
•
7th Grade
•
Hard
Helen Sinaga
Used 4+ times
FREE Resource
9 Slides • 2 Questions
1
Energy

2
Identify all the forms of energy you see in the picture below.
3
Essential Question:
Bagaimana bentuk-bentuk energi itu sama atau berbeda?
Standards:
1. Mengindentifikasi berbagai bentuk energi (panas, cahaya, listrik, gerak mekanis, suara) dan karakteristiknya.
2. Menjelaskan bahwa transformasi energi ditinjau dari Hukum Kekekalan Energi.
4
Perhatikan grafik berikut! Berikan penjelasaan bentuk energinya
5
There are many forms of energy, but we are going to focus on just a few.
•Heat energy (Thermal)
•Mechanical energy
•Light (Radiant) energy
•Electrical energy
•Sound energy
•Chemical energy
6
Which has more thermal energy? Why?
(Mana yang memiliki lebih banyak energi panas? Mengapa?
7
Heat (Thermal) Energy
(Energi Panas)
•Energi yang tercipta dari pergerakan partikel (atom) yang menghasilkan panas.
•Energi panas mengakibatkan meningkatnya suhu.
•Semakin cepat partikel (atom) bergerak, semakin besar energi kinetik dan semakin besar energi termal benda. Dan sebaliknya
•Energi panas juga bergantung pada jumlah partikel. Jika ada lebih banyak partikel, maka energi panas juga akan lebih banyak .
8
Mechanical
Energy
•Energi Gerak
•Jumlah dari energi gerak dan energi posisi suatu benda
(potential energy + kinetic energy)
•Energi mekanik dapat berupa semua energi potensial, semua energi kinetik, atau sebagian dari masing-masing energi.
9
Examples of Mechanical Energy
10
Multiple Choice
What type of energy is shown below?
Chemical Energy
Thermal Energu
Sound Energy
Light Energy
11
Multiple Choice
What type of energy is shown below?
Thermal Energy
Chemical Energy
Sound Energy
Light Energy
Energy

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