Long answer type questions:
Define classification. Why do you classify things?
2.
Give three main properties of matter in solid, liquid and gaseous state.
3. How are different materials grouped depending on transparency?
4. What are the important properties of a material? Explain any three in det
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1) systematic arrangement in groups or categories according to established criteria specifically : taxonomy. Classification provides scientists and students a way to sort and group organisms for easier study. All living things carry out the life functions. There are many different types of organisms.
2)Three states of matter exist – solid, liquid, and gas. Solids have a definite shape and volume. Liquids have a definite volume, but take the shape of the container. Gases have no definite shape or volume.
3)Transparent: Materials that allow all the light to pass through them For Eg – Glass sheet, water etc. Opaque: Materials that allow no light to pass through them.
4)The four properties of material are mass, toughness, hardness and malleability. EXPLANATION: Materials occurs in nature according to their compactness. Material are categorized into three common states in which they are present, they are solid liquid and gas.
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