1.
Manusia supaya dapat terus bergerak membutuhkan ...
Correct Answer
B. Energi
Explanation
To be able to continue moving, humans need energy. Energy is required for various bodily functions such as muscle contraction, metabolism, and brain activity. Without energy, the body would not have the fuel it needs to perform physical tasks and maintain essential processes. Therefore, the correct answer is energy.
2.
Kegiatan manusia yang membutuhkan banyak energi seperti ...
Correct Answer
C. Olahraga
Explanation
Olahraga is the correct answer because it is an activity that requires a lot of energy from the human body. During exercise, the body uses up energy to perform physical movements and sustain muscle contractions. This energy is obtained from the breakdown of carbohydrates and fats in the body. Therefore, engaging in physical activities like sports or exercise can help burn calories and improve overall fitness levels.
3.
Sumber energi bagi tubuh manusia dapat berasal dari ...
Correct Answer
B. Makanan
Explanation
The correct answer is "Makanan" because food is the main source of energy for the human body. The body breaks down the nutrients in food, such as carbohydrates, proteins, and fats, and converts them into energy that is used for various bodily functions and activities. Without an adequate intake of food, the body would not have enough energy to perform essential tasks and maintain overall health.
4.
Matahari mengeluarkan energi ...
Correct Answer
B. Panas
Explanation
The sun emits energy in the form of heat. This is evident from the warmth we feel when exposed to sunlight. The sun's energy is generated through nuclear fusion in its core, where hydrogen atoms combine to form helium, releasing a tremendous amount of heat and light in the process. This heat energy is then radiated outwards from the sun, warming the planets and providing the necessary conditions for life on Earth.
5.
Senter merupakan benda yang dapat menghasilkan energi ...
Correct Answer
C. Cahaya
Explanation
The correct answer is "Cahaya" because "senter" is a device that produces light energy.
6.
Benda berikut ini yang bukan merupakan sumber energi panas adalah ...
Correct Answer
A. Kipas angin
Explanation
Kipas angin bukan merupakan sumber energi panas karena kipas angin tidak menghasilkan panas. Kipas angin bekerja dengan menghasilkan aliran udara yang dapat memberikan efek pendinginan pada suatu ruangan atau benda. Sumber energi panas biasanya berupa benda atau proses yang dapat menghasilkan panas, seperti matahari yang menghasilkan energi panas melalui reaksi nuklir di intinya atau obor yang menghasilkan panas melalui pembakaran bahan bakar.
7.
Kompor mengeluarkan energi panas yang digunakan untuk keperluan ...
Correct Answer
A. Memasak
Explanation
The correct answer is "Memasak" because a kompor (stove) is commonly used for cooking purposes. It releases heat energy that is necessary for cooking food.
8.
Setrika digunakan manusia untuk ...
Correct Answer
B. Merapikan baju
Explanation
The correct answer is "Merapikan baju" because a setrika is commonly used by humans to iron and straighten clothes, removing wrinkles and making them look neat and tidy. It is a household appliance specifically designed for this purpose.
9.
Lampu dapat menyala karena mendapatkan energi ...
Correct Answer
C. Listrik
Explanation
The correct answer is "Listrik" because lamps require electricity to function. Electricity provides the necessary energy for the lamp to produce light. Without electricity, the lamp would not be able to turn on or illuminate a room.
10.
Benda berikut ini yang dapat mengeluarkan bunyi dengan merdu adalah ...
Correct Answer
A. Seruling
Explanation
The correct answer is Seruling. Seruling is a musical instrument that is known for producing melodious sounds. It is commonly used in various cultures and genres of music. Unlike a pencil or a book, which are not designed to produce musical sounds, a seruling is specifically crafted to create beautiful melodies. Therefore, it is the only option among the given objects that can produce a pleasant sound.
11.
Televisi dapat mengeluarkan energi bunyi dan ...
Correct Answer
B. Cahaya
Explanation
Televisi dapat mengeluarkan energi bunyi dan cahaya. Televisi menggunakan layar yang menghasilkan cahaya untuk menampilkan gambar dan video kepada pengguna. Selain itu, televisi juga memiliki speaker yang menghasilkan energi bunyi untuk mengeluarkan suara. Oleh karena itu, cahaya merupakan jawaban yang tepat karena merupakan salah satu jenis energi yang dihasilkan oleh televisi.
12.
Alat musik yang dimainkan dengan cara digesek adalah ...
Correct Answer
B. Biola
Explanation
Biola adalah alat musik yang dimainkan dengan cara digesek. Pemain biola menggunakan busur yang digesekkan pada senar-senar biola untuk menghasilkan suara. Gendang dan gitar tidak dimainkan dengan cara digesek, sehingga tidak termasuk dalam kategori alat musik yang dimainkan dengan cara ini.
13.
Menggunakan energi listrik harus secara ...
Correct Answer
C. Hemat
Explanation
The correct answer is "Hemat" because when using electrical energy, it is important to be efficient and not waste it. Being "hemat" means using electricity sparingly and only when necessary, which helps to conserve energy and reduce electricity bills. It also contributes to environmental sustainability by reducing the demand for electricity generation, which often relies on non-renewable resources.
14.
Lampu adalah benda yang dimanfaatkan untuk ...
Correct Answer
A. Penerangan
Explanation
The correct answer is "Penerangan" because lampu (lamp) is a device that is used for lighting or illuminating a space. It provides light and helps to brighten up a room or area.
15.
Alat rumah tangga yang memanfaatkan energi gerak adalah ...
Correct Answer
C. Kipas angin
Explanation
Kipas angin adalah alat rumah tangga yang memanfaatkan energi gerak. Kipas angin menggunakan motor yang menghasilkan gerakan berputar pada kipasnya, sehingga menghasilkan angin yang dapat menghasilkan pendinginan atau sirkulasi udara di dalam ruangan. Dengan demikian, kipas angin mengubah energi gerak menjadi energi angin yang bermanfaat bagi pengguna.
16.
Para petani menjemur padi memanfaatkan energi panas dari ...
Correct Answer
C. Matahari
Explanation
The correct answer is "Matahari" because farmers dry their rice by exposing it to the sun, which provides the necessary heat energy to remove moisture from the grains. This method is commonly used in traditional rice cultivation practices and is a cost-effective way for farmers to dry their crops.
17.
Cara menghemat energi di antaranya yaitu ...
Correct Answer
C. Mematikan lampu jika tidak dibutuhkan
Explanation
One way to save energy is by turning off the lights when they are not needed. This helps to reduce electricity consumption and conserve energy. By doing so, we can contribute to energy conservation and reduce our carbon footprint.
18.
Jika rumah terlihat gelap maka energi yang dibutuhkan adalah energi ...
Correct Answer
A. Cahaya
Explanation
If the house appears dark, it means that there is a lack of light. Therefore, the energy needed in this situation would be energy in the form of light.
19.
Pada malam hari salah satu sumber cahaya yang menerangi langit adalah ...
Correct Answer
B. Bulan
Explanation
During the night, one of the sources of light that illuminates the sky is the moon. The moon reflects the sunlight and emits a soft glow, making it visible in the night sky. It is a natural satellite of the Earth and its presence can often be observed during the night, providing illumination and creating a serene atmosphere.
20.
Radio digunakan manusia untuk ...
Correct Answer
C. Mendengarkan berita
Explanation
Radio digunakan manusia untuk mendengarkan berita.
21.
Energi panas dimanfaatkan ibu untuk ...
Correct Answer
B. Memasak
Explanation
The correct answer is Memasak. This is because the passage mentions "energi panas" which translates to heat energy. Cooking is a common activity that requires the use of heat energy, making it the most suitable answer.
22.
Gendang dapat menghasilkan bunyi dengan merdu jika ...
Correct Answer
A. Dipukul
Explanation
Gendang dapat menghasilkan bunyi dengan merdu jika dipukul.
23.
Radio adalah alat yang dapat mengelurkan energi ...
Correct Answer
C. Bunyi
Explanation
Radio adalah alat yang dapat mengeluarkan energi bunyi.
24.
Gitar dapa berbunyi dengan baik jika ...
Correct Answer
B. Dipetik
Explanation
The correct answer is "Dipetik". This is because the word "dipetik" means "plucked" in English, which refers to the action of playing a guitar by plucking its strings. This is one of the common techniques used to produce sound on a guitar.
25.
Alat berikut ini yang menghasilkan energi bunyi adalah ...
Correct Answer
C. Terompet
Explanation
Terompet menghasilkan energi bunyi karena ketika ditiup, udara di dalam terompet bergetar dan menyebabkan gelombang suara terbentuk. Gelombang suara ini kemudian merambat melalui udara dan didengar sebagai suara oleh telinga manusia. Lampu dan setrika tidak menghasilkan energi bunyi, mereka menghasilkan energi cahaya dan panas.