Classifying Matter, Properties and Changes

Question 1 of 13

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Which of these is a pure substance?

Select one of the following:

  • A bar of gold

  • Soil

  • Blood

Question 2 of 13

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A drop of melted wax falls on a table. It cools and becomes solid. How has it changed?

Select one of the following:

  • It not longer has a fixed volume

  • Its atoms have stopped moving

  • It has a fixed shape

Question 3 of 13

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Suppose that you examine an unknown liquid. You determine that it contains a single type of molecule. What is the liquid?

Select one of the following:

  • A pure substance

  • A heterogeneous mixture

  • A homogeneous mixture

Question 4 of 13

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An example of evaporation is when:

Select one of the following:

  • Ice in a freezer slowly forms ice crystals

  • Grass wet with dew slowly dries in the morning sunshine

  • Just-washed hands are rubbed on a towel

Question 5 of 13

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Which of these is a physical change, not a chemical change?

Select one of the following:

  • Ripening apples turning red

  • Rusting tools become reddish brown

  • Painting a cloth red

Question 6 of 13

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As your stomach digests food, this would be considered a:

Select one of the following:

  • Physical change

  • Chemical change

  • Matter state change

Question 7 of 13

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Which of the following choices contains only physical properties?

Select one of the following:

  • mass, color, ability to rust

  • ability to be shaped, volume, ability to burn

  • ability to break, ability to bend, texture

Question 8 of 13

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As a solid heats up, its particles gain energy and vibrate faster. When they vibrate enough, the particles move away from one another. This describes

Select one of the following:

  • freezing

  • evaporation

  • melting

Question 9 of 13

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Which of these has the highest melting point?

Select one of the following:

  • a stainless steel teaspoon

  • ice

  • cooking oil

Question 10 of 13

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A red liquid and a yellow liquid are mixed together. The result is an orange liquid that bubbles. This is evidence of

Select one of the following:

  • physical change

  • chemical change

  • physical property

Question 11 of 13

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A red and yellow liquid are mixed together. The result is an orange liquid. This is evidence of a

Select one of the following:

  • physical change

  • chemical change

  • physical property

Question 12 of 13

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Which of these is a chemical change, not a physical change?

Select one of the following:

  • A sweater turns purple from a grape juice stain

  • Burning wood turns into ashes and smoke

  • Bubbles escape from boiling water

Question 13 of 13

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During the phase change lab, the H2O molecules were

Select one of the following:

  • moving faster and spreading out

  • slowing down and getting closer

  • becoming more dense

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Classifying Matter, Properties and Changes

waughj
Quiz by , created about 1 year ago

Middle school level review of matter states and changes.

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waughj
Created by waughj about 1 year ago
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