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EPIC SCIENCE QUIZ
EPIC SCIENCE QUIZ
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1
What is the molecule that carries genetic information from one generation to the next?
DNA
chlorophyll
RNA
ribosomes
2
Ice melting and water boiling into vapor are examples of ___ change.
chemical
physical
3
All living things are made of one or more cells.
True
False
4
Which gas makes up almost 80% of Earth's atmosphere?
nitrogen
oxygen
ozone
carbon dioxide
5
What is the role of decomposers in an ecosystem?
cycle matter back into the system
produce sugars
limit population sizes
6
Law of conservation of ___ describes how a chemical reaction has the same atoms at the end that were there at the start.
energy
nature
matter
cells
7
What is the process that brings energy into a food web?
cell division
photosynthesis
symbiosis
predation
8
An adaptive trait becomes more common over many generations because...
organisms with that trait produce fewer offspring
it makes organisms bigger
organisms with that trait are more likely to survive and reproduce
it helps them kill other organisms that are competitors
9
Desert, tundra and kelp forest are examples of ___.
biomes
populations
continents
atmospheres
10
A baby gets half their chromosomes from the mother and half from the father.
False
True
11
Meiosis produces reproductive cells that have ____ chromosomes as normal body cells.
twice as many
the same number of
half as many
12
Different versions of a gene are...
chromosomes
alleles
ribosomes
13
What causes the cycle of tides (ocean water getting higher or lower in different locations on Earth)?
Earth spinning on its axis
Earth's tilted axis
the moon's gravitational pull on water
beaches having different amounts of sand
14
Elements are listed on the periodic table in order by their number of ___.
molecules
protons
electrons
neutrons
15
The ocean affects weather and climate because ocean water absorbs and release thermal energy.
True
False
16
Animals have only existed for a small fraction of the amount of time life has existed on Earth.
False
True
17
A push or pull that can change an object's velocity is...
acceleration
force
energy
speed
18
Earth's continents have always looked the way they look today.
False
True
19
What type of energy do plants use to make sugars?
visible light
UV light
radio waves
X-rays
20
The _____ in a cell are like the organs in a body - they have specialized structures and functions.
organelles
organisms
molecules
nuclei
21
Which list is in the correct order from smallest to largest?
cell - tissue - organ - organ system - body
tissue - organ - cell - organ system - body
organ - cell - organ system - tissue - body
body - cell - organ - tissue - organ system
22
___ is when water passes through a membrane to the side with a higher concentration of dissolved molecules.
active transport
evaporation
mitochondria
osmosis
23
What can cause a mutation?
radiation damages DNA
random error in cell division
BOTH of these
24
Based on this diagram, which trait is the best evidence of recent common ancestry?
perch and lizard both have claws
pigeon and chimp both have jaws
hagfish and perch are both fish
mouse and chimp both have fur
25
Which property of a light wave shows how intense or bright it is?
wavelength
amplitude
26
A type of shrimp gets food by cleaning scraps from sharks' teeth. What type of interaction is this?
mutualism
photosynthesis
predation
parasitism
27
An open system has inputs and outputs.
False
True
28
Which of these is much smaller than the other two?
protons
electrons
neutrons
29
What do humans and whales have in common?
have legs
breathe air
live in the ocean
30
What is the grasshopper's role in this food web?
primary consumer
secondary consumer
decomposer
primary producer
31
What causes different traits?
chlorophyll
ATP
DNA
oxygen
32
Which property of a light wave show what type of light it is?
amplitude
wavelength
33
____ energy is the energy an object has because it is moving.
Kinetic energy
Chemical energy
Potential energy
Light energy
34
Which organelle is found in plant cells but not animal cells?
chloroplast
mitochondria
ribosome
membrane
35
WHY is the mitochondria the powerhouse of the cell?
it stores DNA
it makes DNA
it stores sugar
it makes ATP
36
An evolutionary tree diagram shows how species came from common ancestor populations.
False
True
37
Human chromosomes come in groups of ___ matching chromosomes with the same genes but maybe different alleles.
3
6
2
4
38
Which interaction involves one individual better off and the other worse off?
parasitism
commensalism
symbiosis
mutualism
39
When a light object and a heavy object collide, the light object's velocity changes more because...
equal forces will affect the light object more than the heavy object
the heavy object exerted a stronger force
40
What type of organism is algae?
decomposer
secondary consumer
primary producer
primary consumer
41
A cell with a nucleus is a...
bacteria
archaea
prokaryote
eukaryote
42
An ecosystem includes unlimited resources.
False
True
43
What causes Earth's seasons?
Earth's orbit is an ellipse
the moon orbits around Earth
Earth's axis is tilted
the sun emits different amounts of energy
44
Earth formed about ____ years ago.
450 million
45,000
4.5 billion
45
45
Why are eclipses uncommon?
the moon's orbit is tilted
sunlight bends around Earth
Earth's axis is tilted
the moon emits its own light
46
ATP is a molecule that has a lot of energy stored in its chemical bonds. What type of energy is this?
kinetic energy
thermal energy
potential energy
light energy
47
Chloroplasts and mitochondria have some DNA in them.
True
False
48
An ecosystem includes living organisms and inorganic parts such as water and air.
True
False
49
What is the process for growth and development, where a cell divides to make two identical copies?
meiosis
photosynthesis
mitosis
cellular respiration
50
What is the process that producers do but consumers do not do?
metabolism
photosynthesis
cell division
cellular respiration
51
Which of these is a contact force?
pushing a cart
gravity
magnetism
52
Where does the energy that flows through ecosystems originally come from?
the atmosphere
plants
animals
the sun
53
Which organelle stores most of the cell's DNA?
ribosome
nucleus
vacuole
cell wall
54
Which particle is shared, gained or lost when a chemical bond forms?
nucleus
electron
neutron
proton
55
We mix baking soda and vinegar and we get gas bubbles and water. What type of change happened?
physical
chemical
56
Similar body structures can be evidence that two species are closely related.
True
False
57
What is our main source of information about extinct organisms?
fossils
historical records
time travel
58
Which two particles make up an atom's nucleus?
protons and neutrons
electrons and neutrons
electrons and protons
59
A population cannot keep growing forever because resources are limited.
True
False
60
In a lunar eclipse, the moon looks dark because...
the moon blocks light from the sun
the side of the moon we can see is facing away from the sun
the side of the moon made of dark rocks is facing Earth
Earth blocks light from the sun
61
What is the term that means one individual eating another?
mutualism
primary production
parasitism
predation
62
Plant cells only do photosynthesis; they don't do cellular respiration.
False
True
63
An individual organism changes its traits during its lifetime to survive better in its environment.
True
False
64
Life has existed on Earth for about ____ years
3.6 billion
36 million
360 billion
3,600
65
When one object exerts a force on another, this can convert ____ in the system.
mass
energy
velocity
matter
66
Earth revolves around...
the sun
me
the moon
Mars
67
Fossils found in a lower rock layer are likely to be older than fossils found in an upper layer.
True
False
68
____ is the ability to make things move or change.
matter
mass
velocity
energy
69
What is the process that randomly changes DNA?
mutation
metabolism
cellular respiration
photosynthesis
70
Which structure determines what enters or leaves a cell?
ribosome
chloroplast
mitrochondria
membrane
71
Humans have existed for about ____ years
10 billion
100,000
100 million
1 billion
72
If two atoms are the same element, they have the same number of...
nuclei
protons
electrons
neutrons
73
Wind and water wear rocks down, transport the material and leave it in a new location. What is the correct order?
deposition - weathering - erosion
weathering - erosion - deposition
weathering - deposition - erosion
erosion - deposition - weathering
74
When an adaptive trait becomes more common in a population, this is...
common ancestry
photosynthesis
natural selection
symbiosis
75
Which is the correct order?
individual - population - ecosystem
individual - ecosystem - population
ecosystem - individual - population
population - ecosystem - individual
