An emulsifier _____________________________.

attracts the molecules of two liquids that DO NOT mix

Which of the following statements is true?

Sugar will dissolve faster in hot water.

Which of the following represents a chemical change?

Carbonic acid in cola changing into carbon dioxide and water.

We can understand things that are too small to see, such as molecules, by ...

looking at and using models to help us understand them.

attracts the molecules of two liquids that do not mix.

a spoon breaking up a big clump of sugar molecules.

sugar molecules sticking onto water molecules and spreading out evenly.

When molecules of a solid are attracted to molecules of a liquid they

spread apart and mix together evenly

studbud

11/21 Megaquiz v2

85 termsStudBud Administration68 plays

Imported from external platform

Flashcards85 cardsFPractice quizPHost liveL

Questions 85

Answers

1
Question 4
D
A
B
C
2
matter that is made of more than one substance
substance
mixture
matter
molecule
3
An emulsifier _____________________________.
attracts the molecules of two liquids that DO NOT mix
plays Fortnite
does not attract molecules
attracts the molecules of two liquids that DO mix
4
Continent 4
Africa
Australia
South America
Antarctica
5
Ocean 1
Atlantic
Pacific
Arctic
Indian
6
the stuff that things are made of
matter
molecule
mixture
atom
7
Which of the following statements is true?
Sugar is insoluble in water.
Sugar will dissolve faster if sugar cubes are used.
Sugar will dissolve faster if you put ice in the water.
Sugar will dissolve faster in hot water.
8
Which of the following represents a chemical change?
Ice cubes melting into a glass of cola.
Liquid cola freezing into solid form.
Carbonic acid in cola changing into carbon dioxide and water.
Water droplets condensing on the outside of a glass of cold cola.
9
Sugar is soluble in water.
False
True
10
We can understand things that are too small to see, such as molecules, by ...
dissolving substances.
evaporating water.
using a telescope.
looking at and using models to help us understand them.
11
Ocean 2
Arctic
Atlantic
Pacific
Indian
12
Continent 5
Asia
North America
Australia
Europe
13
what you can observe or measure about something that helps you identify or describe it
observe
atom
property
substance
14
a group of atoms joined together in a particular way
mixture
molecule
property
atom
15
something you figure out based on observations and what you already know
observe
property
matter
inference
16
All substances are soluble in hot water.
False
True
17
Question 1
B
C
D
A
18
An emulsifier...
is a Fortnite game.
attracts the molecules of two liquids that do not mix.
attracts the molecules of two liquids that do mix.
does not attract molecules.
19
Crayons melting and then hardening back into a lump of wax is an example of
a physical change
a chemical change
a change in mass
no change
20
__________ means "to pull on an object, even without touching it."
Attract
Explain
Mixture
Soluble
21
When a mixture stays mixed it is called a __________.
substance
unstable mixture
stable mixture
salad dressing
22
Look at the image. How would you describe the attraction between molecules 1 and 5?
high attraction
low attraction
23
Citric acid is soluble in water.
True
False
24
Ocean 4
Indian
Arctic
Pacific
Atlantic
25
Continent 1
Africa
Asia
South America
North America
26
a tiny piece of matter that is too small to see
matter
molecule
mixture
atom
27
Ocean 3
Pacific
Indian
Arctic
Atlantic
28
This image shows ...
sugar molecules being attracted to water molecules.
sugar molecules being attracted to the spoon.
sugar molecules not being attracted to water molecules.
a spoon breaking up a big clump of sugar molecules.
29
to describe how something works or why something happens
property
explain
substance
observe
30
A tiny piece of matter that is too small to see is called
a mixture
an atom
a solid
a particle
31
information that supports an answer to a question
explain
inference
evidence
property
32
This image shows ...
sugar molecules not mixing with water molecules.
sugar molecules sticking onto water molecules and spreading out evenly.
water molecules separating from the sugar molecules.
triangles.
33
Which two liquids need an emulsifier?
all liquids
citric acid and water
oil and vinegar
milk and water
34
What causes molecules to attach to one another?
magnetism
push
attraction
volume
35
to mix evenly into a liquid by breaking apart into pieces that are too small to see
matter
property
soluble
dissolve
36
A chemical reaction is when the particles of a substance are rearranged
to form the same substance in a different state of matter
to form a new substance
to form the same substance but with different properties
to form a new substance that has less mass
37
matter that is made of only one kind of atom or molecule
mixture
substance
dissolve
atom
38
When molecules of a solid are attracted to molecules of a liquid they
spread apart and mix together evenly
stay clustered together as a solid
separate into layers
evaporate into the air
39
Question 7
D
C
B
A
40
Question 6
B
A
D
C
41
Making cheese from milk is an example of
a chemical change
a change in state
no change
a physical change
42
Continent 6
Antarctica
Asia
Africa
North America
43
Question 2
C
D
A
B
44
__________ means "to mix evenly into a liquid by breaking apart into pieces that are too small to see."
Mixture
Attract
Dissolve
Investigate
45
Soluble means to be able to dissolve in water or another liquid.
True
False
46
True or False: All liquid mixtures stay mixed and never separate.
False
True
47
Question 3
B
C
D
A
48
__________ is an attempt to find out about something.
Mixing
An investigation
Attraction
Solubility
49
A group of atoms joined together in a particular way is called
an atom
a mixture
a molecule
a substance
50
If something is able to dissolve in water or another liquid, it is said to be
watery
mixed
soluble
melting
51
something scientists make to answer questions about the real world
model
explain
inference
substance
52
What causes liquid mixtures to separate into layers?
Some molecules are heavier than others.
Some molecules have more volume than others.
Molecules are not attracted to one another.
Molecules are highly attracted to one another.
53
How can you tell when you mix a solid into a liquid, if the solid has dissolved?
The solid disappears
The solid sinks.
The solid changes color.
The solid floats.
54
When cinnamon is mixed with water, ...
the molecules in cinnamon are attracted to water molecules.
the molecules in cinnamon are not attracted to water molecules.
the cinnamon dissolves in water.
the water dissolves in cinnamon.
55
Why was Maya unable to see the sugar in the lemonade?
She forgot to put on her glasses.
The sugar dissolved.
She was only looking at the water.
There was no sugar in the lemonade.
56
to use any of the five senses to gather information about something
inference
property
substance
observe
57
__________ is information that supports an answer to a question.
Solution
Evidence
Investigation
Nanoscale
58
Which one is NOT an emulsifier?
lecithin
flour
corn starch
citric acid
59
Continent 7
Africa
South America
Asia
Australia
60
This nanoscale model shows ...
water and sugar molecules diluted.
a mixture of water and sugar molecules.
sugar molecules dissolved in water.
water molecules about to be mixed with sugar molecules.
61
If a solid dissolves in a liquid it is called a ____________.
solid
soluble
solvent
substance
62
Continent 3
Europe
Asia
North America
Africa
63
True or False: Some liquids hold together more than others.
False
True
64
Cinnamon is soluble in water.
True
False
65
Which two liquids have similar properties and are most likely attracted to each other?
water and vinegar molecules
water and oil molecules
water and honey molecules
water and gasoline molecules
66
Matter that is made of only one type of atom or molecule is
a mixture
a reaction
a substance
a property
67
What evidence was proven by this investigation?
There was no sugar in the mixture.
There was still sugar in the mixture.
The lemonade was not sweet enough.
The lemonade was too sweet.
68
to pull on an object, even without touching it
inference
attract
property
dissolve
69
Question 5
A
B
C
D
70
Look at the image. How would you describe the attraction between molecules 1 and 6?
high attraction
low attraction
71
Gas bubbles, change in temperature, and color change are all signs of
a chemical change
a change in shape
a physical change
a change in state
72
Continent 2
Africa
Europe
Antarctica
Asia
73
To mix evenly into a liquid by breaking apart into pieces that are too small to see is called
mixing
evaporating
modeling
dissolving
74
When molecules of a solid aren't attracted to molecules of a liquid they
evaporate into the air
separate into layers
stay clustered together as a solid
spread apart and mix together evenly
75
Matter that is made up of more than one substance is
an atom
a molecule
a mixture
soluble
76
If two molecules have a high attraction, do they need an emulsifier?
no
yes
77
If two molecules have a low attraction, do they need an emulsifier?
no
yes
78
When a mixture separates it is called a(n) _________.
substance
salad dressing
unstable mixture
stable mixture
79
In the book "Solving Dissolving," Maya and her brother investigate a _____ made up of lemon juice, sugar, and water.
mixture
solute
solvent
substance
80
Which substance will probably not dissolve in water?
sugar
salt
dirt
Kool-aid mix
81
Nanoscale models help us see things that are too small to see, such as molecules.
False
True
82
If a substance dissolves in water, then that substance is not soluble.
False
True
83
A _________is what you can observe or measure about something that helps you identify or describe it.
substance
mixture
model
property
84
able to dissolve in water or another liquid
dissolve
substance
molecule
soluble
85
A substance is matter that is made of different molecules.
False
True

11/21 Megaquiz v2 Flashcards | StudBud