1) Where is the sun? a) At the middle in the solar system b) In the black hole c) In the internet d) In the snow e) In the sun f) In your head 2) Where is the black hole? a) At the middle of the solar system b) At the middle of the galaxy c) At the middle of your brain 3) What does DNA stand for? a) Deoxyribonucleic acid b) I don't know c) Muscle 4) How many bones are in the human body? a) 208 b) 207 c) 206 5) The concept of gravity was discovered by which famous physicist? a) Monkey b) Sir Isaac Newton c) Donkey 6) What is the hardest natural substance on Earth? a) Stone b) Emrald c) Diamond 7) What is the biggest planet in our solar system? a) Mars b) Venus c) Sun d) Jupiter e) Earth f) Moon 8) What is the most abundant gas in the Earth’s atmosphere? a) I don't know b) Oxygen c) Nitrogen 9) How many teeth does an adult human have? a) 0 b) 100 c) 29 d) 30 e) 31 f) 32 10) Roughly how long does it take for the sun’s light to reach Earth – 8 minutes, 8 hours or 8 days? a) 8 minutes b) 8 hours c) 8 days

Science

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？