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Winter Diagnostic Review
Winter Diagnostic Review
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Review questions for 8th Grade Science Winter Diagnostic Test
Flashcards
30 cards
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Questions
30
Answers
1
This is the plate boundary where sea floor spreading occurs.
Transform
Convergent
Divergent
2
What kingdom where organisms are usually green, and use photosynthesis to make their own food using the Sun's energy?
Protista
Animalia
Bacteria
Plantae
3
This law states matter is not created or destroyed.
Law of Relativity
Law of gravity
Law of conservation of mass
4
This is thing in an experiment that the scientist changes on purpose (the cause).
Unstable variable
Dependent variable
Independent variable
Control Variable
5
This is the term for when a substance changes directly from a solid to a gas.
Condensation
Evaporation
Melting
Sublimation
6
These two subatomic particles make up the mass of an atom.
Protons and electrons
Neutrons and electrons
Protons and Neutrons
7
The planet in the solar system with the shortest year.
Mars
Earth
Mercury
Venus
8
Brown eyes (B) are dominant to blue eyes (b), parents are crossed Bb and Bb, what's the chance of a kid with blue eyes.
50%
100%
10%
25%
9
This Asexual reproduction type that occurs when a nucleus divides.
Budding cell division
Meiosis
Mitosis
10
This is the number of waves that pass a given point in a certain amount of time.
Frequency
Electromagnetic
Magnitude
Electric Field
11
This is the name of the last group on the periodic table that contains elements with full outer
Non-Metals
Transition Metals
Metals
Noble Gases
12
Organelle where cellular respiration takes place and is the powerhouse of the cell.
Nucleus
Cell wall
Mitochondria
13
Electrical charges are attracted to this.
Both same and opposite charges
Same charges
Opposite charges
14
This has the longest wavelength in the electromagnetic spectrum.
Light waves
Micro waves
Radio waves
15
Earth's atmosphere is composed of about 78% of this element
Oxygen
Carbon Dioxide
Nitrogen
Hydrogen
16
Which change would most likely cause a decrease in the number of squirrels living in an area?
an increase in available food
a decrease in the number of predators
an increase in the number of forest fires
17
The part of the atmosphere responsible for blocking out the majority of the sun's U.V. radiation
Ozone
Thermosphere
Clouds
18
This is the term for substances, such as carbon dioxide or methane, that trap heat in our atmosphere.
Ozone effect
Greenhouse gas
Oxygenation
Carbonization
19
They are loose collection of ice, dust, and small rocky particles whose orbits can be very long.
Asteroids
Rocket
Moon
Comet
20
This is the chart where all elements are classified.
Elements Table
Periodic Table
Reference Tables
21
This is the element that comprises most of the mass of the sun
Hydrogen
Oxygen
Nitrogen
22
Which of the examples below can BEST be described as mutualism between animals?
Mountain lions and wolves fight each other for the same deer
Rats live in the garbage dump of a town and rarely interact with people
A tapeworm lives in the intestine of a bird and eat the food the bird ate
A bird eats parasites off a rhinoceros, the rhinoceros protect the bird
23
A model of the Universe where the Earth is at the center and the sun and other planets revolve around it.
Geocentric
Heliocentric
Earthcentric
24
Plants, fungi, are able to reproduce asexually. What is a main characteristic of asexual reproduction?
Only one parent organism that is required
Offspring that are genetically unique
Sperm and egg that join through fertilization
B. Offspring that are not able to reproduce
25
In which part of a plant or animal cell are chromosomes found?
Vacuole
Cell membrane
Cytoplasm
Nucleus
26
What do plant cells have that is not in animal cells?
Plants have a mitochondria & RNA
No difference
Plants have a cell membrane & infiltration
Plants have chloroplasts & cell walls
27
Which of the following kingdoms are a part of the Eukarya domain? (choose 4)
Plant
Fungi
Protista
Animal
Eubacteria/Archaebacteria
28
The primary purpose of which human organ system is to produce hormones that regulate body functions?
nervous
muscular
endocrine
skeletal
29
Abnormal cell division results in this.
Microbes
Cancerous cells
Homeostasis
30
This is the term for a consumer who eats both plants and animals.
Omnivore
Carnivore
Herbivore