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8th grade states of matter

8th grade (Year 9 in England) · 16 questions · Common Core: NGSS.MS-PS1-2, NGSS.SEP 3 · England: KS3 Physics: Matter (density), GCSE Combined Science: Particle model of matter (required practical: density)

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  1. Question 1

    A iron object has a mass of 79 g. Lowered into 30 cm³ of water, it raises the level to 40 cm³. What is its density, in g/cm³?

    Answerg/cm³

  2. Question 2

    A material has a density of 2.7 g/cm³. What is this in kg/m³? (1 g/cm³ = 1000 kg/m³)

    Answerkg/m³

  3. Question 3

    A measuring cylinder contains 50 cm³ of water. When a stone is lowered in, the level rises to 55 cm³. What is the volume of the stone, in cm³?

    Answercm³

  4. Question 4

    A glass object has a mass of 12.5 g. Lowered into 30 cm³ of water, it raises the level to 35 cm³. What is its density, in g/cm³?

    Answerg/cm³

  5. Question 5

    An object has a density of 0.5 g/cm³. Water has a density of 1 g/cm³. Will the object float or sink in water?

    • A. it floats
    • B. it sinks

  6. Question 6

    A measuring cylinder contains 40 cm³ of water. When a stone is lowered in, the level rises to 50 cm³. What is the volume of the stone, in cm³?

    Answercm³

  7. Question 7

    A aluminium object has a mass of 21.6 g. Lowered into 60 cm³ of water, it raises the level to 68 cm³. What is its density, in g/cm³?

    Answerg/cm³

  8. Question 8

    A material has a density of 0.92 g/cm³. What is this in kg/m³? (1 g/cm³ = 1000 kg/m³)

    Answerkg/m³

  9. Question 9

    A measuring cylinder contains 40 cm³ of water. When a stone is lowered in, the level rises to 50 cm³. What is the volume of the stone, in cm³?

    Answercm³

  10. Question 10

    A glass object has a mass of 50 g. Lowered into 60 cm³ of water, it raises the level to 80 cm³. What is its density, in g/cm³?

    Answerg/cm³

  11. Question 11

    An object has a density of 0.92 g/cm³. Water has a density of 1 g/cm³. Will the object float or sink in water?

    • A. it floats
    • B. it sinks

  12. Question 12

    A measuring cylinder contains 40 cm³ of water. When a stone is lowered in, the level rises to 55 cm³. What is the volume of the stone, in cm³?

    Answercm³

  13. Question 13

    A granite object has a mass of 13.5 g. Lowered into 50 cm³ of water, it raises the level to 55 cm³. What is its density, in g/cm³?

    Answerg/cm³

  14. Question 14

    A material has a density of 7.9 g/cm³. What is this in kg/m³? (1 g/cm³ = 1000 kg/m³)

    Answerkg/m³

  15. Question 15

    A measuring cylinder contains 60 cm³ of water. When a stone is lowered in, the level rises to 68 cm³. What is the volume of the stone, in cm³?

    Answercm³

  16. Question 16

    A copper object has a mass of 89 g. Lowered into 60 cm³ of water, it raises the level to 70 cm³. What is its density, in g/cm³?

    Answerg/cm³

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Answer key: 8th grade states of matter

  1. 1. 7.9 g/cm³

  2. 2. 2700 kg/m³

  3. 3. 5 cm³

  4. 4. 2.5 g/cm³

  5. 5. A. it floats

  6. 6. 10 cm³

  7. 7. 2.7 g/cm³

  8. 8. 920 kg/m³

  9. 9. 10 cm³

  10. 10. 2.5 g/cm³

  11. 11. A. it floats

  12. 12. 15 cm³

  13. 13. 2.7 g/cm³

  14. 14. 7900 kg/m³

  15. 15. 8 cm³

  16. 16. 8.9 g/cm³