Froggy Jumps
Science final review
1
______ energy naturally flows from warmer to cooler matter, this is what we know as heat or heat flow.
2
_______has mass and volume (takes up ______).
3
______ is the study of matter and the changes in matter.
4
A balloon filled with air does not rise as high as a balloon filled with helium gas, telling me that helium gas is _______ dense than air.
5
A mixture of iron and sulfur can be separated by ______
6
A special form of homogeneous mixture that is composed of evenly distributed solute particles in a solvent is called a(n) HOMOGENEOUS SOLUTION.
7
A substance is a single kind of matter that has a specific ______
8
A(n) ______ change (reaction) releases energy SO THE __________, while
9
a(n) _________ change (reaction) absorbs energy SO THE ________ ______ ________
10
A(n) ______ is the smallest part of a substance.
11
A(n) _______ is the smallest unit of matter that has the properties of its element.
12
An object that floats on water has a density ______ than 1-g/mL.
13
An object that sinks in water has a density _____ than 1-g/mL.
14
An object’s weight is 1/6 on the moon as it is on earth. On the moon, the object’s mass REMAINS THE SAME.
15
Another term for the ability to burn is _______ at temperatures below 37.8 ℃.
16
Both a pool of water and a piece of ice are the same SUBSTANCE, SPECIFICALLY COMPOUND, so they have the same COMPOSITION.
17
Butter melting in a pan is a PHYSICAL (ENDOTHERMIC) change where energy is ABSORBED.
18
Characteristics of matter are called ________
19
Compounds are formed as a result of _______ during chemical reactions in a set ratio.
20
Four measurable physical properties of matter are _____,____,___, and _____. Of these, ______ and _______ are derived measurements and must be calculated.
21
Glass breaking, ice melting, and the dissolution of sugar in water are all ______ properties.
22
H2SO4 and H2SO3 ARE ____ the same substance.
23
Iron rusting, silver tarnishing, fruit ripening, and combustion are all _______ properties.
24
New substances are produced by a(n) ________ change, while a(n) ________ change does not result in a new substance.
25
One liter is equal to _________ milliliters.
26
One milliliter is equal to _______ cubic centimeters.
27
Salad dressing is an example of a _________ mixture.
28
Salt water is an example of a _______mixture
29
Solid, liquid, gas, plasma, quantum foam are the five _________ of matter.
30
Substances in a _______ keep their own properties since they are not chemically combined.
31
The _________ of an object is a measure of the thermal energy (motion of the particles) of a substance.
32
The ability of iron to rust is a(n) ______ property
33
The amount of matter in an object is a measure of its ______
34
The amount of space an object takes up is a measure of its _______
35
The chemical _______ for tungsten is W, where Au stands for gold.
36
The chemical _______ for water is H2O and for hydrogen peroxide is H2O2.
37
The energy stored in bonds between atoms is _______ energy, a form of potential energy.
38
The form or appearance of a substance is altered during a(n) _______ change, where the actual chemical
39
composition or ratio of atoms is altered during a(n) ______ change.
40
The Law of ________ of Mass states that in any physical or chemical change, matter is neither created
41
The mass of an object is __________, whereas the weight of the same object _________depending on its location.
42
The mass per unit volume of an object is a measure of its _________
43
The metal tungsten is used in incandescent light bulbs because of its property of __________ conductivity
44
The ratio of each type of atom in sulfuric acid, H2SO4, is ____ hydrogen to ______ sulfur to _______ oxygen
45
The SI unit for density is _________, but the common unit is ___________
46
The SI unit for mass is ________, but the common unit is ________.
47
The SI unit for weight is ________.
48
The simplest type of substance is a(n) ________, which is made up of atoms ________ molecules, or compounds.
49
The substances in a _________ mixture are evenly distributed and you cannot see the parts.
50
The substances in a ___________ mixture can usually be seen and are easily separated.
51
When the atoms in elements combine to form compounds, their _________ change.
52
The amount of space that matter fills is its _______.
53
A state of matter with a definite volume, but no definite shape is a(n) ________
54
A(n) _________ will always take the shape and volume of its container.
55
The __________ is a measure of the average speed of the particles in a substance.
56
A(n) ___________ solid has a definite melting point.
57
A(n) ________ solid has a melting point range.
58
Both gases and liquids are ________
59
_________ occurs when the particles of a liquid lose enough energy to take fixed positions.
60
The temperature at which a liquid turns to a gas is its ________
61
The process that makes ice cubes shrink as they sit in a freezer is called _______
62
The process where bromine gas touches a surface and becomes crystals is called _______
63
Particles of a gas have the greatest ________ energy.
64
_________ and __________ both happen at the surface of a substance.
65
_________ is the reverse process of condensation.
66
The temperature at which a liquid turns to a solid is called its _______ point.
67
________ is the reverse process of freezing.
68
Water particles in gas coming off a pan of boiling water are moving ________ than the particles of water in the pan.
69
Boiling and evaporation are both forms of __________
70
__________ is the process by which a liquid becomes a gas only at the surface of a liquid, it is endothermic.
71
_______ occurs at a specific temperature when a liquid becomes a gas beneath and on the surface of a substance.
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Contesta las siguientes multiplicaciones correctamente para salvar a la ranita y evitar que caiga al agua, mucha suerte!