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Unit 6 Physical Science

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Last updated over 4 years ago
39 questions
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Question 1
1.

Describe the motion of atoms in a liquid.

Question 2
2.

Describe the motion of atoms in a solid.

Question 3
3.

Choose ALL examples of physical changes:

Question 4
4.

Choose ALL examples of chemical changes:

Question 5
5.

What are the three main states of matter?

1
Question 6
6.

What state of matter is this?

Question 7
7.

Matter is...

Question 8
8.

Match the phase changes and descriptions

Draggable itemarrow_right_altCorresponding Item
sublimation
arrow_right_alt
gas to liquid
condensation
arrow_right_alt
liquid to solid
melting
arrow_right_alt
solid to gas
deposition
arrow_right_alt
liquid to gas
freezing
arrow_right_alt
solid to liquid
vaporization
arrow_right_alt
gas to solid
Question 9
9.

Condensation is the opposite of freezing

Question 10
10.

In order to float in water, a substance must be less dense than the water

Question 11
11.

The freezing point and melting point of a substance are the same temperature.

Question 12
12.

Two examples of vaporization are

Question 13
13.

What happens to the temperature of a substance when it is changing state?

Question 14
14.

Water heating and turning into steam is a ___________ change.

Question 15
15.

Iron rusting is a ___________ change.

Question 16
16.

Blue color is a ______________ property.

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Question 17
17.

What state of matter is this?

Question 18
18.

Density is a ____________ property.

Question 19
19.

Flammability is a _______________ property.

Question 20
20.

Combustion (reactivity with oxygen) is a ______________ property.

Question 21
21.

Melting point is a ____________ property.

Question 22
22.

What is the density of a liquid that weighs 25.0g and a volume of 30.0mL.

Question 23
23.

What is the density of an object with a mass of 25.5g which displaces 6.2mL of water

Question 24
24.

How does a solution become supersaturated?

Question 25
25.

The ______ is the thing being dissolved

Question 26
26.

The Tyndall effect is used to identify

Question 27
27.

Match the following

Draggable itemarrow_right_altCorresponding Item
mud puddle
arrow_right_alt
colloid
salt water
arrow_right_alt
solution
carbon dioxide (CO2)
arrow_right_alt
suspension
gold (Au)
arrow_right_alt
element
milk
arrow_right_alt
compound
Question 28
28.

What type of mixture separates upon standing?

Question 29
29.

If an object has a density of 2.5 g/mL, would it float or sink in water?

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Question 30
30.

What state of matter is between A and B?

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Question 33
33.

What is the boiling point of sodium chloride?

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Question 34
34.

How many grams NaCl can be dissolved at 90°C?

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Question 39
39.

At what temperature can you dissolve 63g HCl? (just enter the number)

Question 31
31.

What happens moving from D to E?

Question 32
32.

At which region is only gas found?

Question 35
35.

Which substance is MOST soluble at 10°C?

Question 36
36.

If 30 g HCl is dissolved at 50°C, is the solution

Question 37
37.

If 100 g NH4Cl is dissolved at 90°C, is the solution

Question 38
38.

If 80 g NaNO3 is dissolved at 10°C, is the solution