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Pretest Directions: Read each question carefully. Choose the letter of the correct answer.
1. A pot is placed on a stove added by 100ml of water at room temperat What will happen in the water if the temperature continues increasin. a. turns into solid c. become more dense b. turns into a gas d. show no change in temperature
2. Which one best describes when water reaches its boiling point? a. Particles are close together. b. Particles stay the same. c. Particles move slowly. d. Particles move rapidly.
3. How will an object float on a liquid? The object must be less dense than the liquid. b. The object must be denser than the liquid. The object must be cooled to the same temperature as the lic d. The object must be heated to the same temperature as the li
4. Matter is anything that has mass and volume. Which of the followin matter? a. air c. table b. light d. water
5. A pure substance consists only of one substance. Which of the foll not a pure substance? a. air c. sugar b. iron d. water HELP POOO
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