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Science Vocabulary
Science Vocabulary
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#vocab #scientific #method #density #physical #chemical #element #compound #mixture
Flashcards
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Questions
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Answers
1
Which is NOT an Element?
Gold
Diamond
Iron
Water
2
Chemically changes produce a new substance while a Physical change ______
bonds together
Does the same
Does not
melts with chemicals
3
What is sometimes referred to as an educated guess?
test
control
hypothesis
data
4
What is a mixture?
Random things mixed together
Two or more substances mixed together and chemically bonded
One substance mixed
Two or more substances mixed together NOT cheimically bonded
5
What is an activity that is performed in order to test a hypothesis?
experiment
data
control
conclusion
6
What is the symbol of Hydrogen?
Hn
H
Hy
h
7
What do scientist use today as a tool to carry out scientific investigations?
theroy
guessing
conclusion
scientific method
8
What is a compound?
two or more differnt elements chemically bonded together
just a bunch of random elements
different elements not chemically bonded
multiples of the same element
9
What is the formula for Density?
d=v/m
D=M-v
D=m/v
M/d=V
10
A pure substance containing only one kind of Atom is a/an
Mixture
Atom
Compound
Element
11
What is an Elements?
Cannot be broken down by chemical or physical means
Random things put together
Substances that can be broken down
A substance composed of a single kind of atom
12
A compound is a pure substance containing two or more kinds of _____
chemicals
Elements
Molecules
Atoms
13
Carefully planned test used to discover something unknown is _______
Experiment
Control
data
scientific method
14
Which is not a Chemical change?
Cooking an egg
Sour milk
Burning wood
Mixing sand and water
15
Final answer based on observations, evidence, and experiments
theory
Conclusion
test
control
16
What are protons and electrons the same as?
Mass number
Elements
Atomic number
Atomic symbol
17
As you carry out your experiment, you will make observations and collect _______?
scientific method
conclusion
data
test
18
Which is NOT an example of a Physical change?
crumpling paper
Baking a cake
Breaking a bottle
Melting ice
19
A mixture has 2 or more ______ or compounds not chemically combined.
Molecules
Elements
compounds
atoms
20
Where is the atomic number located?
At the bottom
At the top
In the middle
Under the symbol
21
Volume of 5 and Mass of 10, what is the density?
50
5
15
2
22
Which is a compound?
Milk
Electricity
Wood
Sugar
23
Facts, figures and other evidence gathered through observations/experiment are ________
Hypothesis
Tests
Conclusion
Data
24
Which is a variable that is held constant so that its effect on other factors can be observed?
theory
atomic mass
control
data
25
After being tested and verified numerous times, a hypothesis may be considered a ________ ?
test
theory
atomic number
conclusion
