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Persiapan SAS Ganjil IPA Kelas 7

Authored by Ragil Pamungkas

Science

7th Grade

Used 21+ times

Persiapan SAS Ganjil IPA Kelas 7
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20 questions

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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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