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🔬 Science, Years 7 and 8

Years 7 to 8 · Read up first
10 questions. Get 8 right to earn 10 minutes. All 10 right = +5 bonus. They start easy and get harder as you go, so treat the first few as a warm-up. Every one you miss comes back with the answer and why.

1. Which of these is a renewable energy source?

2. What force pulls objects towards the Earth?

3. What colour does universal indicator paper typically turn in a strong acid?

4. What structure allows only certain things in and out of a cell?

5. What is a substance made of two or more different elements chemically joined together called?

6. A ball held up high has stored energy due to its position. What is this energy called?

7. Elements in the same column, or group, of the periodic table tend to have what in common?

8. What do scientists call the two-part naming system that gives every species a unique Latin-style name?

9. An atom is described as having 6 protons. Which element must it be?

10. A star that is much further away than another can still appear bright in the night sky. What does this tell you about that star?

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