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Questions in Grade Middle-school
📝 Answered - How does vinegar affect the growth of a plant?
📝 Answered - What details from the May 15th entry prove that Charlie's intelligence is growing and increasing daily?
📝 Answered - Iron is a solid, grey metal. Oxygen is a colorless gas. When iron and oxygen chemically combine, rust is formed. Rust has a reddish-brown color. **Why does rust differ from iron and oxygen?**
📝 Answered - A water molecule gains enough energy to enter the gas phase. Is this a chemical or physical change? Why?
📝 Answered - Why is there no ocean-continent divergence?
📝 Answered - Argyle has 8 t-shirts and 5 pairs of shorts that he wears with either sandals or sneakers. If all the colors and patterns coordinate, how many different outfits can he make?
📝 Answered - Your body consists of \(\frac{7}{10}\) water. Is more than \(\frac{1}{2}\) of your body water? Explain.
📝 Answered - Florence wants to buy onions and doesn't want to spend more than $3. Can she buy 2.5 pounds if they are $1.25 per pound? Write the inequality to find the answer.
📝 Answered - I am a number between 500 and 600. My ones digit is 5. My tens digit is the difference between my ones and hundreds digits. Who am I?
📝 Answered - What is \( E = mc^2 \), the famous theory of Albert Einstein?
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