Persiapan SAS Ganjil IPA Kelas 7
Quiz
•
Science
•
7th Grade
•
Easy
Ragil Pamungkas
Used 19+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Derajat panasnya suatu benda disebut ....
Suhu
Kalor
Pemuaian
Tekanan
Answer explanation
The degree of heat of an object is called temperature. In this question, the correct choice is 'Temperature'.
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Suhu sebuah benda jika diukur menggunakan termometer celsius akan bernilai 45. Nilai yang ditunjukkan oleh termometer kelvin adalah ...
36 K
218 K
118 K
318 K
Answer explanation
The temperature of the object measured in Celsius is 45. To convert it to Kelvin, we add 273.15. Therefore, the value shown on the Kelvin thermometer is 318 K, which is the correct choice.
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Kalor yang dibutuhkan untuk memanaskan 1 kg air yang bersuhu 20⁰C menjadi 100⁰C jika diketahui kalor jenis air 1000 J/kg⁰C adalah ...
80 J
800 J
8000 J
80.000 J
Answer explanation
The specific heat capacity of water is 1000 J/kg°C. To heat 1 kg of water from 20°C to 100°C, the required heat is 80,000 J. Therefore, the correct answer is 80,000 J.
4.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Perpindahan kalor dengan disertai perpindahan zat perantaranya disebut ....
konduksi
radiasi
konveksi
azas black
Answer explanation
Convection is the transfer of heat accompanied by the movement of a medium. In this case, the correct choice is convection.
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Satu sendok mentega akan mencair jika dipanaskan, peristiwa ini membuktikan bahwa….
kalor dapat mengubah jenis zat
kalor dapat diciptakan dan dimusnahkan
kalor dapat mengubah wujud zat
kalor dapat menghasilkan zat baru
Answer explanation
Heating butter causes it to melt, demonstrating that heat can change the state of matter.
6.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Yang merupakan contoh perpindahan kalor secara radiasi adalah….
Memasak air sampai mendidih
Panasnya api unggun terasa di badan
melengkungnya rel kereta api terkena panas
Panasnya wajan ketika menggoreng
Answer explanation
Radiation heat transfer occurs when the heat from a fire is felt on the body.
7.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Angin laut dan angin darat adalah peristiwa yang terjadi akibat perpindahan kalor secara…
Konduksi
Radiasi
Konveksi
Evaporasi
Answer explanation
Sea breeze and land breeze occur due to the transfer of heat through convection. In this case, the correct choice is 'Konveksi'.
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