F3 SC BAB 8

F3 SC BAB 8

1st - 7th Grade

12 Qs

quiz-placeholder

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F3 SC BAB 8

F3 SC BAB 8

Assessment

Quiz

Science

1st - 7th Grade

Medium

Created by

SCIENCE SGL

Used 28+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Maklumat berikut menunjukkan penemuan daripada seorang saintis.

The following information shows the discovery from a scientist.

• Orang pertama yang berjaya menemukan keradioaktifan

The first person to successfully discover radioactivity

• Beliau menemukan uranium, iaitu suatu sebatian radioaktif

He found uranium, which is a radioactive compound

Siapakah saintis tersebut?

Who is the scientist?

Antoine Henri Becquerel

Wilhelm Conrad Roentgen

Pierre Curie

Marie Curie

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Rajah 1 menunjukkan suatu proses.

Diagram 1 shows a process.

Proses ini dikenali sebagai

This process is known as

pembelahan nukleus

nuclear fission

pereputan radioaktif

radioactive decay

pelakuran nukleus

nuclear fusion

proses pengionan

ionising process

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Bahan radioaktif Q mempunyai separuh hayat 9 minit. Berapakah masa yang diambil untuk atomnya mereput kepada 1 g jika jisim asalnya ialah 8 g?

Radioactive substance Q has a half-life of 9 minutes. What is the time taken for the atom to decay to 1 g if its initial mass is 8 g?

9 minit / minutes

18 minit / minutes

27 minit / minutes

36 minit / minutes

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Separuh hayat protaktinium-234 ialah 5.2 jam. Jika jisim asal protaktinium-234 ialah 80 g, hitung jisim protaktinium-234 selepas 15.6 jam.

The half-life of protactinium-234 is 5.2 hours. If the initial mass of protactinium-234 is 80 g, calculate the mass of protactinium-234 after 15.6 hours.

40 g

20 g

10 g

5 g

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Rajah 2 menunjukkan graf keaktifan melawan masa bagi bahan radioaktif X.

Diagram 2 shows the graph of activity against time of radioactive substance X.

Berapakah separuh hayat bagi bahan radioaktif X?

What is the half-life of radioactive substance X?

20 s

40 s

60 s

80 s

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Rajah 3 menunjukkan suatu aktiviti yang dilakukan oleh Mazlan.

Diagram 3 shows an activity done by Mazlan.

Pemberat 200 N diangkat oleh Mazlan setinggi 1.5 m dalam masa 3 saat. Hitung kuasa yang diperlukan untuk mengangkat pemberat itu.

A 200 N weight is lifted by Mazlan to a height of 1.5 m in 3 seconds. Calculate the power needed to lift the weight.

100 W

300 W

600 W

900 W

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Antara yang berikut, yang manakah menunjukkan kerja dilakukan?

Which of the following shows work done?

menolak dinding

pushing a wall

duduk di atas lantai

sitting on the floor

mendayung sampan

rowing a boat

membaca buku di dalam kelas

reading a book in the class

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