General
How many variables can be changed in an experiment?
ONE
Name the 3 types of rocks
sedimentary, igneous, metamorphic
Which of the following does a plant cell have that an animal cell does not?
a. Cell membrane
b. Cell wall
c. Chloroplasts
d. Nucleus
B and C
Chloroplasts and a cell walls don't exist in animal cells! Only plant cells!
What are the 3 parts of an atom?
Proton +
neutron 0
electron -
What is the name of the process in which cells replicate and daughter cells are identical to parent cells?
a. meiosis
b. mitosis
c. sexual reproduction
d. asexual reproduction
B. Mitosis
Define an independent variable
The independent variable is the thing that you change in an experiment. It is the variable you control. It is called independent because its value does not depend on and is not affected by the state of any other variable in the experiment.
Name 3 components of the water cycle that are NOT precipitation, evaporation, condensation.
Transpiration, sublimation, ground water, respiration, runoff, glaciers.
________reproduction is one parent "cloning" itself. ________reproduction involves two parents and produces more VARIETY.
Asexual reproduction is one parent "cloning" itself. Sexual reproduction involves two parents and produces more VARIETY.
Name 2 of the states of matter
Solid, liquid, gas, or plasma
Name 1 component of a food web.
Producer, predator, prey, consumer, decomposer.
Define controlled variable
Factors or variables in an experiment that stay the same and stay consistent between trials.
Describe how a rock become a metamorphic rock.
through heat and pressure
Ecosystems include both biotic and abiotic factors. In a desert, name an abiotic and biotic component of this ecosystem.
abiotic: Sunlight, water, air temperature, minerals, soil/dirt, clouds etc
Biotic: rattlesnake, soil microbes, mouse, prairie dog, cactus etc.
Name two different types of energy.
Must include 2
kinetic, potential, thermal, electric, chemical, mechanical, nuclear
Earthquakes, volcanic eruptions, and mountain building can all result from the movement of WHAT?
Tectonic plates
You want to know how people's test scores change based on how much caffeine they consume. You give 5 students 2 red bulls, 5 students 1 cup of coffee and 5 students NO caffeine before a test. What is your dependent variable in this experiment?
a. amount of caffeine they consume
b. no caffeine group
c. caffeine group
d. test scores
D. test scores
This DEPENDS on how much caffeine is consumed.
Name 2 layers of Earth's atmosphere.
Must have 2
Any 2 of the following: Troposphere, stratosphere, mesosphere, thermosphere.
What is the purpose of photosynthesis?
to produce glucose for the plant
As a liquid is heated, the molecules gain ______ energy and begin vibrating/moving more. Eventually turning into a gas.
As a liquid is heated, the molecules gain more energy and begin vibrating/moving more.
What PROPERTIES do you use to identify rocks and minerals?
Name 1
Luster, hardness, color, texture, fracture planes, patterns.
What do you need in order to be successful on the science MCA?
Must list 3 things
-Good night's sleep
-Healthy breakfast
-Charged chromebook
-pencil and scratch paper
-great attitude
-patience
- time management
Name 1 example of a weather-caused natural disaster and 1 example of a geologic-caused natural disaster
weather: hurricane, tornado, flood
geologic: tsunami, earthquake, volcanic eruption
Unscramble one of the words below. If you can unscramble all 3, you can claim double the points.
Hint: they are all types of symbiotic relationships
ALIUMUSMT
ISITASPMRA
ICMNOSMAEMSL
Mutualism
Parasitism
Commensalism
Gravity, friction, electrical force, nuclear force, applied forces, or magnetism
Why don't sound waves travel in space?
Because waves need materials/matter (particles or atoms of a substance) to travel through!