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2)classifying matter
5th grade science
| Question | Answer |
|---|---|
| What is the boiling point of water ? | 100*C |
| What is the melting point of water? | 0*C |
| What is the freezing point of water? | 0*C |
| Do you add or remove heat to turn a solid into a liquid? What is that process called? | add heat; melting |
| Do you add or remove heat to turn a liquid to a solid? What is that process called? | remove heat; freezing |
| Do you add or remove heat to turn a liquid into a gas? What is that process called? | add heat; evaporation |
| Do you add or remove heat to turn a gas into a liquid? What is that process called? | remove heat; condensation |
| If I have a bowl of iron filings and sand, what physical property will I use to separate it? a) magnetism b) solubility | a) magnetism |
| What tool would I use to separate sand and iron filings? a) filter and funnel b) screens c) magnets d) tweezers | c) magnets |
| Which is more dense in water: wood or sand? | Sand will sink in water; therefore, it is more dense. |
| Which is more dense in water: corn syrup or a piece of cork? | Corn syrup will sink in water; therefore, it is more dense. |
| Which is less dense: oil or water | Oil will float in water; therefore, it is less dense. |
| Which substance can be classified as being soluble in water? a) sand b)pepper c) iron filings d) salt | d) salt |
| Which of these is the best insulator of electricity? a) copper penny b) plastic tubing c) aluminum foil d) metal key | b) plastic tubing |
| Which is an example of change of state caused by heating? a. melting b. freezing c. hardening d. cooling | a. melting |
| What is the process called when water vapor in the air is cooled when it hits a cold glass? a. evaporation b. condensation c melts | b. condensation |
| What is most likely observed when water reaches 100*C? a. the water hardens b. the water turns to vapor c. the water melts | b. the water turns to vapor |
| Which of these is the best conductor? a) wooden block b) plastic fork c) metal spoon d) wool cloth | c) metal spoon |
| Matter is anything that has ____________and takes up space a) weight b) solubility (dissolves) c) mass d) density | c) mass |
| Sarah has 3 metal objects: a copper coin, an iron skillet, and an aluminum spoon. Which one will be attracted to a magnet? | an iron skillet |
Created by:
Davis science vocab.
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