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Quarter 1 Exam Review
Quarter 1 Exam Review
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#midterm#gears2
Flashcards
61 cards
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Questions
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Answers
1
maintaining a stable internal enviroment
respiration
homeostasis
oxidation
2
can be a mathematical statement, such as E = mc²
hypothesis
law
theory
3
hypothesis
educated guess/prediction
based on empirical evidence
a description of a natural phenomenon
4
When substances are made of two or more different atoms
compound
atom
mixture
5
Cell Theory - cells are the basic structure and function of all living things
true
false
6
Found in plants cells NOT animal cells
mitochondria
cell wall
DNA
7
Does the density of the substance remain the same regardless of the amount?
No
Yes
I don't know
8
measuring the height of a plant
dependent variable
control
constant
independent variable
9
ALWAYS true, EVERYWHERE, ALL the time
law
hypothesis
theory
10
Conducting multiple trials
repetition
replication
11
The nucleus of an atom is made of
protons, neutrons, and electrons
protons and neutrons
protons and electrons
12
The density of a substance (ex: gold) remains the same when cut in half
true
false
13
one plant receives sunlight the other plant does not
constant
independent variable
dependent variable
14
Density
D = v/m
D = m/v
15
The periods on the periodic table correspond to the number of
electron shells
(rings)
True
False
16
Groups on the Periodic Table have similar ...
Physical Properties
Chemical Properties
17
Is the image below an element, compound, or mixture?
element
compound
mixture
18
controls the function of the cell, makes protein, and contains DNA
cell membrane
nucleus
rough ER
19
observed or measured by the scientist, y-axis
independent variable
constant
dependent variable
20
breaks down food, waste, and old organelles
rough ER
mitochondria
lysosomes
21
Identify organelles...
A. mitochondria, B. vacuole, C. cell mebrane, D. cell wall, E. chloroplast
A. chloroplast, B. vacuole, C. cell mebrane, D. cell wall, E. mitochondria
22
pH 2.5
neutral
strong base
strong acid
23
Which state of matter has the most kinetic energy?
solid
liquid
gas
24
Group 16 ion charge
gain 2 electrons (-2 charge)
lose 2 electrons (+2 charge)
25
well-supported, well-documented
explanation
of an observation
theory
law
hypothesis
26
kept the same
constant
dependent variables
independent variable
27
changed by the scientist, x-axis
independent variable
dependent variable
control
28
Group number the number of _______________
valence electrons
rings (shells)
29
simplest --> most complex
tissue, organ cell, organism, organ system
cell, tissue, organ, organ system, organism
cell, organ, tissue, organ system, organism
30
Identify organelles...
a. nucleus, b. golgi body
a. cell membrane, b. mitochondria
a. cytoplasm, b. golgi body
31
written in the form of a question
conclusion
hypothesis
problem
32
Cell Theory - all cell come from pre-existing cells
false
true
33
used for comparision
control
independent variable
dependent variable
34
Identify organelles...
a. mitochondria, b. golgi body
a. cytoplasm, b. ribosome
a. rough ER, b. smooth ER
35
Cell Theory - All living things are made of cells
true
false
36
a group of organs that work together to perfom a specific function
organism
organ system
tissue
37
packages and transports proteins
chloroplast
golgi body
nucleus
38
metals
good conductors
poor conductors
semiconductors
39
What is it called when another scientists tests your experiment
replication
repetition
40
same amount of time
dependent variable
independent variable
constant
41
Which one is NOT a physical property?
solubility
melting point
reactivity
42
The energy collected from glucose during photosynthesis is used during cellular respiration. This is an example of ...
homeostasis
oxidation
respiration
43
Does the density of the substance remain the same regardless of the amount? (Ex. Gold)
Yes
No
44
· predicts overall natural events in general terms*
hypothesis
law
theory
45
Cell Theory - cells come from prokaroytic cells
false
true
46
Is the compound an acid, base, or neutral?
acid
base
neutral
47
makes energy (ATP) - the "Powerhouse"
cell membrane
golgi body
mitochondria
48
· explain WHY it happens
law
hypothesis
theory
49
getting goosebumps when you are cold
homeostasis
respiration
oxidation
50
sweating while working out
photosynthesis
homeostasis
oxidation
51
makes proteins
golgi body
cell mebrane
ribosomes
52
site of food production ( photosynthesis)
cell wall
chloroplast
central vacuoles
53
located outside cell membrane (plants only)
cell wall
chlorophyll
chloroplast
54
The image below can be classified as...
Elements
mixtures
pure substances
55
controls what comes in and out of cell
smooth ER
cell membrane
ribosomes
56
large central vacoule
stores mitochondria
stores water
store protein
57
Salts are formed by the chemical reaction between an acid and a base. HCl+NaOH→NaCl+H2O
True
False
58
The cell membrane controls what goes in and out of the cell in order to maintain...
respiration.
homeostasis.
oxidation.
59
· describe WHAT happens
hypothesis
theory
law
60
If IV then DV...
data
problem
hypothesis
61
Group 1
lose one valence elecron (cation)
gains one valence electron (anion)
