Match the sentence with a step of the scientific method listed below: Maggie said, "If I add nitrogen fertilizer to my vegetables, my vegetables will grow larger."
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2.
Which of the following best describes a solid?
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3.
Fill in the blank: The particles in a _______ have more energy compared to the particles in a liquid.
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4.
What describes both vaporization and evaporation?
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5.
Which state of matter takes the shape of its container but has a definite volume?
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6.
The "Energy Input" on the graph below is the ____________ variable.
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7.
Which state of matter is represented between Points C and D?
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8.
In your own words, explain why the temperature is not increasing between points D and E. What is the energy from the heat doing to the ice cube?
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9.
Identify if it is a physical property, a physical change, a chemical property, or a chemical change: Red onions have a very strong odor.
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10.
Identify if it is a physical property, a physical change, a chemical property, or a chemical change: Cells breaking down glucose (sugar) molecules and turning them into energy (ATP), carbon dioxide (CO2), and water (H2O).
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11.
For each of the following descriptions, identify if it is a physical property, a physical change, a chemical property, or a chemical change: Propane gas is used in gas grills because propane is flammable.
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12.
For each of the following descriptions, identify if it is a physical property, a physical change, a chemical property, or a chemical change: Gallium metal melting into a liquid when brought into an environment at room temperature.
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13.
Which atomic particle has a neutral charge?
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14.
Which particles are in the nucleus of an atom?
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15.
Which of these is NOT a property of metals?
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16.
What is the atomic number of Boron?
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17.
What is the atomic mass of Calcium?
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18.
How many protons does Nitrogen have?
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19.
How many neutrons does Fluorine have?
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20.
For the following Aluminum atom, how many electrons would go on the (a.) shell?
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21.
For the following Aluminum atom, how many electrons would go on the (b.) shell?
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22.
For the following Aluminum atom, how many electrons would go on the (c.) shell?
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23.
When 2 or more DIFFERENT atoms chemically combine, they form a new substance called a(n)
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24.
Atoms with the same number of protons but different number of neutrons are known as _______________.
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25.
In 2-3 sentences, explain the difference between a homogenous mixture and a heterogenous mixture.