| Properties of matter | Atoms | Elements | States of Matter | Elements joining |
|---|---|---|---|---|
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Elements in a solution can be separated. If you left the solution out in the sun, the liquid will evaporate.
BONUS $700 ***** A solution is an example of a way that two elements can be joined together. Can the elements in a solution be separated? How?
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protons
What part of the atom has a charge that holds electrons close to the nucleus?
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gas
Oxygen has no definite shape or volume. Oxygen is a ______________________.
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a liquid
Gasoline has a definite volume but no shape. What state of matter is gasoline?
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rust, salt, water, sugar
List three examples of a compound.
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a balance
Which instrument in the picture is best used to measure an irregularly shaped solid?
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neutrons
What atom part does hydrogen have none of?
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a mixture
BONUS***** $800****** Ice cream is made of compounds that are mixed together but are not chemically joined. What is ice cream an example of?
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a solid
A golf ball has a definite shape and volume. What state of matter is a golf ball?
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solution
Tea with sugar is an example of a compound or a solution?
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The can of regular soda is more dense than the can of diet soda.
If a can of regular soda sinks to the bottom of a tank, and a can or diet soda floats, what can explain this observation?
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a cloud of electrons
What is the nucleus of an atom surrounded by?
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air
Which can be separated into several different elements: nitrogen, zinc, air, aluminum?
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The three states of matter are solid, liquid, and gas, and they can be changed by cooling and heating.
What are the three states of matter and how can the state of matter be changed.
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a solution
Kool-aide is a crystalized substance that seems to disappear when mixed into water. What is Kool-aide an example of?
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For example: My sweater is red, fuzzy, and warm.
Choose an article of clothing you are wearing and say a sentence to give some of its properties.
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an electron
Which part of the atom travels at very high speeds?
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a balloon of helium
Which is an example of a container filled with an element: a tire filled with air, a jar of salt water, a balloon of helium, a glass of chocolate milk?
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point W.
Look at the diagram which shows how a chance in temperature affects the physical state of a substance. Which point represents the particles moving the least?
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sugar crystals dissolving in water.
Which is an example of a mixture: rust forming on an iron nail, sugar crystals dissolving in water, sodium and chlorine forming table salt, hydrogen and oxygen reacting to produce water
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Density tells us that lead sinks when dropped in water, but a cork floats.
What property tells us that lead sinks when dropped in water, but a cork floats?
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a molecule
What is the smallest unit of chemical compound that still has the properties of that compound?
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a compound
What is formed when two elements combine chemically?
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Answers vary.
Draw an arrangement of particles in a liquid and gas phase. Explain why you choose this arrangement and what the energy of the particles is like.
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a compound
Sugar is composed of carbon, hydrogen, and oxygen. What is sugar an example of?
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