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Science Grade 9: Review Flashcards | StudBud
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Science Grade 9: Review
Science Grade 9: Review
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1
Chemistry: Sulpher
Si
Sp
S
Su
2
Astronomy: How much time is there between full moons?
One day
One month
One week
Two months
3
Chemistry: Potassium
Po
Kr
P
K
4
Chemistry: Cu
Carbon
Calcium
Colbalt
Copper
5
Chemistry: Boron
Br
B
Bo
Bn
6
Astronomy: Which planet has a gigantic ring system?
Pluto
Earth
Uranus
Saturn
7
Chemistry: Ne, Kr and Ar belong to what periodic family?
Noble Gases
Halogens
Alkaline Earth Metals
Alkali Metals
8
Chemistry: Which of the following is not a pure substance?
Koolaid
Water
Sugar
Zinc
9
this is an illustration of
food web
food chain
10
Astronomy: Which planet is the 1st from the sun?
Saturn
Neptune
Mars
Mercury
11
Electricity: Which statement CORRECTLY describes an atom?
Protons orbit around the nucleus
Neutrons orbit around the nucleus
Electrons orbit around the nucleus
None if the above
12
Electricity: this particle can be transferred between objects
electron
proton
atom
neutron
13
Ecology: A scavenger...
Feeds off dead animals
Has great eyesight
Runs fast
Can fly really well
14
Chemistry: Hg
Mercury
Helium
Hydrogen
Magnesium
15
Electricity: A positively charged material has...
More protons than usual
Fewer electrons than protons
Less protons than usual
More electrons than protons
16
Chemistry: What change is taking place when you bake bread?
Physical
Chemical
17
Chemistry: NaCl is a(n)...
Compound
Element
Molecule
18
Chemistry: Fe is a(n)...
Molecule
Element
Compound
19
Astronomy: Which planet is the 7th from the sun with Interned ring on its axis?
Mars
Neptune
Saturn
Uranus
20
Chemistry: Na, K and Rb belong to what periodic family?
Alkaline Earth Metals
Noble Gases
Alkali Metals
Halogens
21
Ecology: What is the relationship between a crocodile and the small bird that cleans its teeth?
Symbiosis
Parasitism
Commensalism
Mutualism
22
Ecology: The ability for an environment to support a certain population size is called...
Max ecosystem weight
Max population size
Population
Carrying capacity
23
Chemistry: O2 is a(n)...
Molecule
Compound
Element
24
Ecology: Rain is...
Abiotic
Biotic
25
Chemistry: Au
Silver
Gold
Antimony
Argon
26
Chemistry: What changes is taking place when you boil water?
Physical
Chemical
27
ECOLOGY: Which type of organism is a direct user of the sun's energy?
Producer/ plant
Consumer
Decomposer
Scavenger
28
Ecology: Different species living together in an area form a(n)...
Population
Variety
Community
Ecosystem
29
Ecology: The relationship between humans and mosquitoes is called...
Symbiosis
Parasitism
Commensalism
Mutualism
30
Electricity: Uncharged particles in an atom are called...
Nucleus
Protons
Electrons
Neutrons
31
Static electricity is used in car painting
True
False
32
Ecology: The more organisms in a food web, the more likely the web will be...
The same
More stable
Completely imbalanced
Less stable
33
Electricity: Which is NOT the Law of Electrostatics?
Charged objects attract neutral objects
Like charges repel each other
Charges are either positive or negative
Unlike charges attract each other
34
Electricity: Increasing the number lights in a parallel circuit increases the lights brightness
False
True
35
How many elements NaCl in the formula
2
3
4
36
Ecology: Omnivores eat...
Only planets
None of the above
Both
Only meat
37
Ecology: What do the arrows in a food chain represent?
Migration
Death
Flow of energy
Light energy
38
Electricity: charging by rubbing two objects is called
charging by Induction
charging by contact
charging by friction
39
Astronomy: Which of the following planets is larger than Earth?
Mars
Uranus
Mercury
Venus
40
Electricity: Static electrical charges are produced in an object by...
Connecting the object to an electrical outlet
Rubbing the object with a different material
Touching the object to a battery
Holding a magnet near the object
41
Ecology: Rotting leaves are...
Abiotic
Biotic
