Kelas 3 Soal 1

Mematikan lampu kelas apabila tidak digunakan is a good way to save energy because it reduces unnecessary electricity consumption. By turning off the lights when they are not needed, we can conserve energy and reduce electricity bills. This action also helps to reduce the overall carbon footprint and promotes sustainability.

The clock in the picture shows the time as 10.00. The hour hand is pointing directly at the number 10 and the minute hand is pointing directly at the number 12. This indicates that it is exactly 10 o'clock.

One way to conserve energy is by turning off the lights when they are not in use. This helps to reduce electricity consumption and saves energy.

Siti belajar mulai pukul 14.00 sampai pukul 16.00, which means Siti studied from 2 PM to 4 PM. The duration of her study can be calculated by subtracting the starting time from the ending time, which is 4 PM minus 2 PM. This equals 2 hours, so Siti studied for 2 hours.

The correct answer is "Mematikan kran air apabila telah selesai menggunakan" because it suggests turning off the water tap after use, which is an effective way to save water. The other options, such as taking long showers or playing with water all day, do not promote water conservation.

If the music is fast-paced, it implies that the tempo is rapid. Therefore, to synchronize with the music, the movement of the feet should also be fast. Hence, the correct answer is "Cepat" which means fast in English.

The object used to perform the movement shown in the picture is a ball.

The correct answer is Option 1 because it is the only option that shows a picture of a pole with a ribbon attached to it. This aligns with the description given in the question, which states that the tongkat berpita is used for sports.

The given passage states that Udin plays from 08.00 to 11.00 in the morning and studies from 17.00 to 21.00 at night. The question asks which activity takes the longest time. Since Udin studies for 4 hours (from 17.00 to 21.00) and only plays for 3 hours (from 08.00 to 11.00), the activity of studying takes the longest time.

An aerogenerator is a device that generates electricity from the power of the wind, not from water. Therefore, the given answer is incorrect.

The correct answer is Kastanyet.

The correct answer is "Dipinggang". This is because the image shows a person with their hands placed on their waist or hips.

The correct answer is "Irama lagu." This is because when dancing, one needs to follow the rhythm of the music in order to synchronize their movements with the beat. The rhythm of the song sets the pace and timing for the dance routine, allowing the dancer to express themselves through coordinated movements. Therefore, having a song with a clear and defined rhythm is essential for dancing.

The correct answer is 1 jam 15 menit because the time it took for the mother to go to the market and return home is 1 hour and 15 minutes.

The given correct answer is "Energi panas digunakan untuk bermain kembang api." This is because playing with fireworks does not utilize energy effectively or productively. While the other options mention activities where energy is being used for a purpose, such as a doctor examining a patient, a teacher teaching students, or a farmer using the sun's heat to dry rice. However, playing with fireworks is a recreational activity that does not serve any practical or productive purpose.

The correct answer is Simpai. Simpai is a type of exercise equipment that is commonly used in martial arts and traditional Asian exercises. It is a long, flexible strip of cloth or ribbon that is used for stretching, strengthening, and coordination exercises. In the given image, we can see a person holding a simpai and performing exercises, which indicates that the correct answer is simpai.

The given text explains that hydroelectric power plants are usually built in hilly areas that receive frequent rainfall. This is because the plants require a high volume and strong flow of water to generate electricity. By building dams in these hilly areas, the water can be stored and then released through tunnels, creating a powerful flow that can turn turbines connected to generators. Therefore, the correct answer is "Perbukitan" (hilly areas).

The passage explains that wind energy has been used since ancient times for various purposes such as powering sailboats, operating corn grinders, and pumping water. However, it does not mention that wind energy was used to generate electricity in the past. Therefore, the correct answer is "Digunakan untuk menghasilkan tenaga listrik" (Used to generate electricity).

This question asks for a preference among four options: "Meliukkan badan," "Mengayunkan bola," "Memegang bola dengan tangan kanan," and "Gerak berjalan 2 langkah." The correct answer is "Meliukkan badan." The explanation for this choice could be that "Meliukkan badan" translates to "stretching the body," which is a common exercise or warm-up activity that helps to loosen muscles and increase flexibility. The other options do not relate to physical exercise or stretching the body.

The correct answer is "Aerogenerator" because it is a device that is specifically designed to generate electricity from the power of the wind. It is not used for generating electricity from water, which is the case in hydroelectric power plants where turbines are used.