- What is matter?
- What are the general properties of matter? Define them.
- What tools do we use to measure the general properties of matter?
- Can two objects weigh the same but have a different form and volume? Explain it.
- Why does a wet T-shirt weigh more than a dry one?
- Why does a balloon deflate if you don’t tie a knot?
- Why does a silver ring sink in water?
- What are other specific properties of matter? Define them and give examples.
- How do we call materials that break easily?
- Is gold an elastic material? Why?
- Give examples of two good thermal conductors and two good electrical conductors.
- How do we call materials that are not good conductors?
- Write two examples for each of the following definitions: a hard, tough material; a soft, elastic material; a hard fragile material; a plastic, insulating material.
- What are the three states of matter? And their properties?
- Which properties of solids are constant?
- What are the three examples of water in a solid form?
- What does the state of water depend on?
- How can we cause a change of state in water?
- At what temperatures does water freezes and boils?
- Look at the drawing on page 125 of your text book and explain what happens.
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Autor: lidia redondo mateos
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