LITERASI/NUMERASI

Quiz
•
Science
•
9th Grade
•
Medium
Lucia Endah
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Pengaruh Tekanan Udara terhadap Ketinggian
Tekanan udara adalah tekanan yang ditimbulkan oleh beratnya lapisan-lapisan udara. Suatu tekanan didapat dari gaya per satuan luas yang bekerja pada suatu bidang di dalam ruang. Hal ini dapat dipahami bahwa setiap lapisan udara yang di bawah mendapat tekanan udara dari atasnya.
Alat untuk mengukur tekanan udara disebut barometer. Hubungan tekanan udara dengan ketinggian suatu tempat, semakin tinggi permukaan bumi akan semakin rendah tekanan udaranya. Karena laju penurunan tekanan udara berbanding lurus dengan laju penurunan suhu, sehingga ketika di dataran tinggi tekanan udara semakin rendah sehingga suhu udarapun menurun. Tekanan udara di permukaan laut sama dengan 1 atmosfer (1 atm = 76 cmHg) dan setiap kenaikan 100 meter, tekanan udara berkurang 1. Hubungan antara tekanan udara dengan ketinggian dapat dilihat pada persamaan berikut:
P = tekanan pada ketinggian h
Pu = tekanan udara di permukaan air laut (1 atm = 76 cmHg)
h = tinggi suatu tempat.
Titik didih zat cair dipengaruhi oleh tekanan udara di atas permukaan zat cair. Semakin kecil tekanan udara di atas permukaan zat cair, semakin rendah titik didih zat cair tersebut. Di daerah dataran tinggi, tekanan udaranya lebih kecil daripada tekanan udara di daerah dataran rendah sehingga titik didih di daerah dataran tinggi lebih rendah daripada di daerah dataran rendah. Karena titik didihnya lebih rendah, air akan cepat mendidih.
Setiap kenaikan 300 meter dari permukaan laut maka tekanan udara akan……
Berkurang 2 cmHg
Bertambah 2 cmHg
Berkurang 3 cmHg
Bertambah 3 cmHg
2.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Tata Surya
Tata surya adalah kumpulan benda langit yang terdiri atas sebuah bintang yang disebut Matahari dan semua objek yang terikat oleh gaya gravitasinya. Objek-objek tersebut termasuk delapan buah planet yang sudah diketahui dengan orbit berbentuk elips, lima planet kerdil (katai), 173 satelit alami yang telah diidentifikasi dan jutaan benda langit (meteor, asteroid, komet) lainnya.
Tata surya terbagi menjadi Matahari, empat planet bagian dalam, sabuk asteroid, empat planet bagian luar. Berdasarkan jaraknya dari Matahari, kedelapan planet Tata Surya ialah Merkurius (57,9 juta km), Venus (108 juta km), Bumi (150 juta km), Mars (228 juta km), Jupiter (779 juta km), Saturnus (1.430 juta km), Uranus (2.880 juta km), dan Neptunus (4.500 juta km). Sejak pertengahan 2008, ada lima objek angkasa yang diklasifikasikan sebagai planet kerdil. Kelima planet kerdil tersebut ialah Ceres (415 juta km) dulunya diklasifikasikan sebagai planet kelima, Pluto (5.909 juta km) dulunya dikasifikasikan sebagai planet kesembilan, Haumea (6,450 juta km), Makamake (6.850 jta km), dan Eris (10.100 juta km). Untuk memudahkan mengingat jarak planet-planet ke Matahari para Astronom menggunakan satuan astronomi (sa). 1 satuan astronomi (sa) adalah adalah jarak antara Bumi dan Matahari yaitu sekitar 150 juta kilometer.
Berdasarkan teks di atas, tentukan setiap pernyataan berikut benar atau salah:
Semua planet yang terikat oleh gaya gravitasinya Matahari lintasan orbitnya berbentuk lingkaran.
Jupiter termasuk planet luar yang mempunyai orbit paling kecil dibandingkan planet luar lainnya.
Sejak pertengahan 2008, Pluto tidak termasuk dalam klasifikasi delapan planet, karena lintasan orbitnya sangat jauh dari Matahari.
1 Salah, 2 Benar, 3 Salah
1 Benar, 2 Benar, 3 Salah
1 Salah, 2 Salah, 3 Benar
1 Salah, 2 Benar, 3 Benar
3.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Dampak Limbah Rumah Tangga terhadap Ekosistem Air
Limbah rumah tangga seperti detergen, minyak goreng bekas, dan sampah organik sering kali dibuang langsung ke saluran air. Bahan-bahan ini dapat mengganggu keseimbangan ekosistem perairan. Detergen mengandung fosfat yang dapat menyebabkan eutrofikasi, yaitu pertumbuhan alga secara berlebihan. Ketika alga mati dan membusuk, oksigen dalam air akan berkurang drastis dan menyebabkan kematian organisme lain seperti ikan.
Seorang siswa melakukan eksperimen dengan menambahkan detergen ke dalam akuarium kecil. Setelah beberapa hari, ikan di dalam akuarium tersebut mati. Berdasarkan teks, kemungkinan penyebab utama kematian ikan tersebut adalah.. .
Ikan kekurangan makanan
Air menjadi terlalu hangat
Ikan tidak tahan terhadap air bersabun
Oksigen dalam air berkurang
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Gangguan Pernapasan akibat Polusi Udara
Polusi udara dapat menyebabkan berbagai gangguan pada sistem pernapasan manusia. Salah satu zat berbahaya dalam polusi adalah partikel PM2.5 yang sangat kecil dan bisa masuk ke dalam paru-paru. Akumulasi partikel ini dapat menyebabkan iritasi saluran pernapasan, sesak napas, hingga penyakit kronis seperti bronkitis dan asma. Anak-anak dan lansia merupakan kelompok yang paling rentan terhadap dampak polusi udara.
Berdasarkan bacaan di atas, pernyataan berikut ini BENAR, kecuali:
PM2.5 dapat menembus saluran pernapasan hingga paru-paru.
Polusi udara hanya berdampak pada orang dewasa yang merokok.
Bronkitis dan asma bisa dipicu oleh polusi udara.
Anak-anak lebih rentan terhadap gangguan pernapasan akibat polusi.
5.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Answer the questions based on the text.
After school, Rudi changed his clothes and went to the field. Gilang and Bayu waited for him to play badminton. He ignored his mom's call to have lunch first. He rushed out of the house quickly to meet his friends.
At the beginning of the game, Rudi played well. But soon, he looked tired. His game started to slow down, and finally, he lost. He sat on the grass, his face was pale, and his hands were trembling slightly.
"Are you Okay? You look terrible," Bayu asked him.
"I feel fatigued. I can't stand up very well," he answered.
Gilang gave him a bottle of water and a box of cookies. Rudi took them and ate them up. He remembered that he did not have his lunch. He didn't want to listen to his mother's call. He now realizes that playing without having breakfast or lunch is dangerous.
Questions:
Why did Rudi rush to go to the field after school?
He wanted to play badminton in the field
He promised to play badminton in the field.
He wanted to promise to play badminton on the fielc
He had no activity except going there.
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
After school, Rudi changed his clothes and went to the field. Gilang and Bayu waited for him to play badminton. He ignored his mom's call to have lunch first. He rushed out of the house quickly to meet his friends.
At the beginning of the game, Rudi played well. But soon, he looked tired. His game started to slow down, and finally, he lost. He sat on the grass, his face was pale, and his hands were trembling slightly.
"Are you Okay? You look terrible," Bayu asked him.
"I feel fatigued. I can't stand up very well," he answered.
Gilang gave him a bottle of water and a box of cookies. Rudi took them and ate them up. He remembered that he did not have his lunch. He didn't want to listen to his mother's call. He now realizes that playing without having breakfast or lunch is dangerous.
Where was he when his mother called him?
He was in his house.
He was in the field.
He was on the way to the field.
He was in the kitchen.
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
After school, Rudi changed his clothes and went to the field. Gilang and Bayu waited for him to play badminton. He ignored his mom's call to have lunch first. He rushed out of the house quickly to meet his friends.
At the beginning of the game, Rudi played well. But soon, he looked tired. His game started to slow down, and finally, he lost. He sat on the grass, his face was pale, and his hands were trembling slightly.
"Are you Okay? You look terrible," Bayu asked him.
"I feel fatigued. I can't stand up very well," he answered.
Gilang gave him a bottle of water and a box of cookies. Rudi took them and ate them up. He remembered that he did not have his lunch. He didn't want to listen to his mother's call. He now realizes that playing without having breakfast or lunch is dangerous.
Did he pay attention to his mother's call?
Yes, he did
No, he didn’t
No, he couldn't
Yes, he could
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