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Grade 8 Year-End Science Review for AIMS Flashcards | StudBud
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Grade 8 Year-End Science Review for AIMS
Grade 8 Year-End Science Review for AIMS
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A review of all material covered in 8th grade science (following AZ state science standards)
Flashcards
43 cards
F
Practice quiz
P
Host live
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Questions
43
Answers
1
A harmless moth looks just like a wasp. This is an example of:
warning colors
mimicry
cyclical adaptations
camouflage
2
Is this an element, compound, or mixture?
mixture of elements
compound
element
mixture of compounds
3
The 3 states of matter are:
element, compound, mixture
solution, solvent, solute
solid, liquid, gas
4
The periodic table is organized into __________ based on the # of electron energy levels.
states
orbits
groups/families
periods
5
Newton's 1st Law is the Law of ______
Velocity
Intertia
Acceleration
Action-Reaction
6
The periodic table is organized into __________ based on the # of valence electrons.
groups/families
orbits
states
periods
7
Electrons have a _______ charge.
either positive or neutral
positive
zero/ none
negative
8
The purpose of pollination is:
to reduce competition between parents and offspring
to attract insects
to reproduce
to disperse seeds
9
The _______ gets dissolved.
solvent
solutation
solute
solution
10
The purpose of meiosis in cells is:
growth and repair
reproduction
consuming and storing energy
redundancy
11
The density of water is:
1 g/cm3
9.8 g/cm3
2 g/cm3
0.5 g/cm3
12
An element's ATOMIC NUMBER depends on the number of _______ it has.
electrons
neutrons
protons
protons + neutrons
13
The purpose of mitosis in cells is:
growth and repair
consuming and storing energy
reproduction
redundancy
14
I want to know why butterflies have different colored wings. The first thing I should do is:
Research existing studies about butterfly coloration
Make an hypothesis about butterfly wings
Make a graph of butterfly colors
Capture butterflies to conduct an experiment
15
This state of matter has NEITHER a definite shape NOR a definite volume. It is a:
liquid
solid
gas
16
The scientist who founded genetics was:
Marie Curie
Isaac Newton
Gregor Mendel
Galileo Galilei
17
Acceleration measures:
the change in distance/time in a given direction
the average of all speeds in a given direction
the change in velocity/time in a given direction
the change in distance/speed in a given direction
18
A moth's wings blends into the tree trunk. This is an example of:
mimicry
warning colors
camouflage
cyclical adaptations
19
If A pushes on B, then....
A will move
B will push C
B pushes on A
B will stop
20
In India, monkeys drop fruit for deer, while deer watch for predators. This is an example of:
predator-prey
mutualism
parasitism
commensalism
21
Is this an element, compound, or mixture?
mixture of elements
mixture of compounds
compound
element
22
Neutrons have a _______ charge.
either positive or neutral
zero/ none
negative
positive
23
The group/ family of elements that is LEAST reactive is:
noble gases
alkali metals
halogens
alkali earth metals
24
The lionfish is very colorful and very poisonous. This is an example of:
mimicry
warning colors
camouflage
cyclical adaptations
25
All of these are examples of solutions EXCEPT:
Gold
Air
Brass
Salt water
26
The purpose of seed dispersal is:
to reduce competition between parents and offspring
to disperse pollen
to reproduce
to attract insects and animals
27
To measure the mass of an object, you would use:
A mass balance scale
A timer
A metric ruler
A graduated cylinder
28
Torpor for polar bears is an example of:
dormancy
hibernation
migration
aestivation
29
The _______ will dissolve it.
solution
solute
solutation
solvent
30
This state of matter has a definite shape and volume. It is a:
gas
solid
liquid
31
To measure the speed of something, you would use:
A ruler and a timer
A ramp and a ruler
A timer and a mass balance scale
A ruler and a ramp
32
Birds perch on buffalos' backs and eat bugs stirred up from the grass. This is an example of:
predator-prey
commensalism
mutualism
parasitism
33
An element's ATOMIC MASS NUMBER depends on the number of _______ it has.
protons + neutrons
electrons
neutrons
protons
34
A cheetah runs 240 km in 2 hours. What is its speed?
480 km/hr
60 km/hr
240 km/hr
120 km/hr
35
Seed dispersal primarily happens by:
wind and water
animals and water
humans and animals
wind and animals
36
Which of the following is NOT part of cell theory?
All living things have one or more cells.
All cells have a nucleus.
Cells are the building blocks of life.
All new cells come from existing cells.
37
This state of matter has a definite volume and but NOT a definite shape. It is a:
liquid
solid
gas
38
Velocity measures:
the change in speed/time in a given direction
the change in distance/speed in a given direction
the average of all speeds in a given direction
the change in distance/time in a given direction
39
To measure the density of something, you would use:
A graduated cylinder and a scale
A scale with either a ruler or a graduated cylinder
A ruler and a graduated cylinder
A ruler and a scale
40
Protons have a _______ charge.
negative
either positive or neutral
positive
zero/ none
41
Pollination primarily happens by:
wind and water
animals and water
wind and animals
humans and animals
42
Newton's 2nd Law states:
An object in motion will stop
v = distance/time
If A pushes B, B pushes C
F = ma
43
Is this an element, compound, or mixture?
mixture of compounds and elements
compound
element
mixture of elements
