Soal Tematik Kelas 4 Sd Tema 2 Subtema 4 Energi Alternatif - Www.Bimbelbrilian.Com

To live an energy-efficient life, we should start with ourselves. This means taking personal responsibility for our energy consumption and making conscious choices to reduce waste and conserve energy. While it is important for schools, parents, and government officials to promote and implement energy-saving measures, ultimately, it is up to each individual to make a difference in their own daily habits and lifestyle choices. By being mindful of our energy usage, we can contribute to a more sustainable future.

The correct answer is "Tidak dapat diperbaharui dan terbatas". This answer explains that the use of alternative energy sources is necessary because natural resources such as oil and gas are non-renewable and limited in supply. This implies that these resources will eventually run out, making it crucial to find alternative sources of energy that are renewable and not limited in quantity.

Using energy-efficient light bulbs is a way to save energy. Energy-efficient light bulbs, also known as compact fluorescent lamps (CFLs) or light-emitting diodes (LEDs), use significantly less energy compared to traditional incandescent bulbs. They are designed to produce the same amount of light but with lower wattage, which means less energy consumption and lower electricity bills. By using energy-efficient light bulbs, individuals can contribute to reducing their carbon footprint and conserving energy resources.

Sinar matahari dapat dimanfaatkan sebagai sumber energi alternatif melalui pembangkit listrik tenaga surya. Energi matahari dapat dikonversi menjadi energi listrik melalui panel surya yang menangkap sinar matahari dan mengubahnya menjadi listrik. Pembangkit listrik tenaga surya merupakan salah satu cara yang efektif untuk menghasilkan energi bersih dan ramah lingkungan.

Mencampur bensin dengan bioetanol dalam kendaraan dapat membuat pemakaian bahan bakar menjadi lebih hemat. Bioetanol adalah bahan bakar yang terbuat dari bahan organik seperti jagung atau tebu, yang lebih murah dan ramah lingkungan dibandingkan dengan bensin. Dengan mencampurkan bioetanol ke dalam bensin, kendaraan dapat menggunakan campuran yang lebih efisien dan mengurangi konsumsi bensin. Dengan demikian, pemakaian bahan bakar menjadi lebih hemat.

Bahan bakar bio adalah bahan bakar yang berasal dari makhluk hidup. Ini berarti bahwa bahan bakar bio diperoleh dari sumber-sumber organik seperti tanaman, alga, atau bahkan limbah organik. Prosesnya melibatkan penguraian bahan organik melalui fermentasi atau proses kimia lainnya untuk menghasilkan bahan bakar yang dapat digunakan. Sumber-sumber bahan bakar bio yang umum meliputi etanol, biodiesel, dan biogas. Penggunaan bahan bakar bio dianggap lebih ramah lingkungan karena mereka dapat diperbaharui dan menghasilkan emisi karbon yang lebih rendah dibandingkan dengan bahan bakar fosil.

Biogas is the correct answer because it is a type of biofuel that is produced from the decomposition of organic materials, such as animal manure. It is commonly generated through the anaerobic digestion process, where microorganisms break down the organic matter and produce a mixture of methane and carbon dioxide gases. Biogas can be used as a renewable energy source for heating, electricity generation, and cooking, making it an environmentally friendly alternative to fossil fuels. Bioethanol and biodiesel are also biofuels, but they are typically produced from crops such as corn or sugarcane, rather than animal waste. Biologi is not a type of biofuel; it refers to the scientific study of living organisms.

The correct answer is "Mengurangi penggunaan sumber energi fosil". The use of alternative energy sources aims to reduce the reliance on fossil fuels, which are non-renewable and contribute to environmental pollution and climate change. By shifting to alternative energy sources such as solar, wind, or hydroelectric power, we can decrease the consumption of fossil fuels and mitigate their negative impacts on the environment. This transition also promotes sustainability and energy independence.

Panji mendapatkan diskon setengah harga saat membeli baju di Toko Anugerah. Ini berarti harga baju yang dibeli Panji telah dikurangi sebesar 50%.

Energi alternatif berasal dari sumber daya alam yang dapat diperbaharui berarti energi tersebut dapat diproduksi secara berkelanjutan tanpa menghabiskan sumber daya alam yang ada. Hal ini berbeda dengan sumber energi konvensional yang jumlahnya terbatas dan tidak dapat diperbaharui. Dengan menggunakan energi alternatif yang dapat diperbaharui, kita dapat mengurangi ketergantungan pada sumber energi yang terbatas dan mengurangi dampak negatif terhadap lingkungan.

The mixed fraction 7 2/10 can be converted to an improper fraction by multiplying the whole number (7) by the denominator (10) and adding the numerator (2) to get 72/10.

Air is considered an alternative energy source because it can be harnessed to generate electricity through wind turbines or used to produce hydroelectric power. Unlike fossil fuels such as oil and coal, which are finite and contribute to environmental pollution, air is a renewable resource that can be replenished naturally. Additionally, harnessing wind and water power does not produce greenhouse gas emissions, making it a cleaner and more sustainable energy option.

The correct answer is 4 1/2 because when we divide 9 by 2, we get a quotient of 4 and a remainder of 1. The quotient becomes the whole number part of the mixed fraction, and the remainder becomes the numerator of the fraction part. The denominator remains the same. Therefore, the mixed fraction form of 9/2 is 4 1/2.

The decimal form of 3/4 is 0.75 because when we divide 3 by 4, we get a quotient of 0.75.

Bijinya merupakan bagian dari tanaman jarak yang digunakan untuk menghasilkan minyak melalui pengolahan. Minyak jarak diperoleh dengan cara mengekstraksi minyak dari biji tanaman jarak. Oleh karena itu, biji tanaman jarak menjadi sumber energi alternatif yang menghasilkan minyak.

The given fraction is 7/4. To convert it into a mixed fraction, we divide the numerator (7) by the denominator (4). The quotient is 1 and the remainder is 3. So, the mixed fraction is 1 3/4, which means there is one whole unit and three-fourths remaining.

The mixed fraction 5 1/3 can be converted to an improper fraction by multiplying the whole number (5) by the denominator (3) and adding the numerator (1) to get 16/3.

Singkong, ubi, and jagung are all plants that can be processed to produce bioethanol. Bioethanol is a type of renewable fuel that is commonly produced from plant materials, such as crops or agricultural waste. Singkong (cassava), ubi (sweet potato), and jagung (corn) are all rich in carbohydrates, which can be converted into ethanol through fermentation. Therefore, these plants are suitable for bioethanol production.

Bu Anik baru saja membeli gula pasir seberat 9/4 Kg. Untuk mencari ukuran yang sama dengan gula pasir yang dibeli oleh Bu Anik, kita perlu mencari pecahan yang setara dengan 9/4 Kg. Kita dapat mencari pecahan setara dengan 9/4 Kg dengan mengalikan dan membagi dengan angka yang sama. Jadi, 2 1/4 Kg adalah ukuran yang sama dengan gula pasir yang dibeli oleh Bu Anik.

Pak Joko has 32 chickens and he plans to sell 1/4 of them. To find the number of chickens he will sell, we need to calculate 1/4 of 32. One way to do this is by dividing 32 by 4, which equals 8. Therefore, Pak Joko will sell 8 chickens.

The correct answer is 5/2. The given question states that Riko's stick measures 2 1/2 meters. This can be written as the improper fraction 5/2. Therefore, the length of Riko's stick is the same as the length represented by the fraction 5/2.

The correct answer is 80%. To convert a fraction to a percentage, we divide the numerator by the denominator and multiply by 100. In this case, 4 divided by 5 is 0.8, and when multiplied by 100, we get 80%. Therefore, the percentage form of the fraction 4/5 is 80%.

Jika 40% dari 30 siswa adalah siswa perempuan, maka jumlah siswa perempuannya dapat dihitung dengan mengalikan 30 dengan 40% atau 0.4. Hasilnya adalah 12 siswa perempuan.

Based on the given information, Dani gave 1/2 Kg of oranges, Rosi bought 1/4 Kg of oranges, and Ranu bought 1/3 Kg of oranges. The statement "Jeruk yang dibeli Dani lebih berat dari Rosi" (The oranges bought by Dani are heavier than those bought by Rosi) is correct because 1/2 Kg is greater than 1/4 Kg.

By saving energy, we are indirectly contributing to the reduction of energy consumption, which can lead to a decrease in energy imports. This, in turn, can increase the country's revenue by reducing the expenditure on energy imports and promoting energy self-sufficiency. Therefore, saving energy can help in increasing the country's income or revenue.