Science Basics Physical Science Earth Science Space Science
Science Basics Physical Science Earth Science Space Science Life Science 100 100 100 200 200 200 300 300 300 400 400 400 500 500 500 Final Jeopardy
What is considered the first step in the Scientific Method?
Asking a question! Back
What is a hypothesis?
An “if, then” statement Back
This is a point of view that is highly personal or based on a belief that is not supported by evidence.
bias Back
This is the factor that a scientist purposely changes during an investigation.
independent variable Back
This is a variable that a scientist keeps the same throughout the investigation.
control Back
What are the four main states of matter & which has the fastest moving atoms?
solid, liquid, gas, plasma & plasma has the fastest moving atoms Back
The mass per unit volume of a substance is known as this. What is the formula?
density; d = m/v Back
What are three types of energy and what unit of measure do we use to identify energy?
kinetic, potential, and mechanical energy Energy is measured in joules. Back
What occurs when matter is changed into new substances, which normally cannot be reversed?
chemical change Back
What is the net force of a desk being pushed 26 N to the left and pushed 19 N to the right? Is the force balanced or unbalanced?
7 N to the left and it is unbalanced Back
What type of rock is created through heat and pressure?
metamorphic rock Back
Alfred Wegener proposed the idea that Earth’s continents were once connected and have broken apart and drifted to their present locations. What do we call this?
continental drift Back
How does the mantle compare to the core in temperature and density?
The mantle is cooler & less dense than the core Back
What type of plate boundary created the Himalayas and the Andes?
convergent plate boundary Back
What 2 D map is excellent at showing elevation of landforms?
topographic map Back
The Milky Way galaxy is considered this type of galaxy.
spiral galaxy Back
Earth _____ on its axis every 24 hours and ______ around the Sun every 365 days.
rotates and revolves (orbits) Back
These are small bodies or rock, ice, and dust that revolve in an elliptical orbit around a star and form tails as they pass close to stars.
comet Back
During the 1 st quarter and last quarter phases of the moon, the tidal bulges from the Sun and moon are at right angles. What are these tides called?
neap tides Back
Stars in the Universe are born inside these celestial objects made up of gases.
nebulas Back
What organelle in plant/animal cells is responsible for regulating the flow of material into and out of the cell?
cell membrane Back
What are the sections of chromosomes (structures that contain DNA) that carry the information for a single trait?
genes Back
This is a relationship between two organisms in which one organism benefits and the other is unaffected.
commensalism Back
This is an organism that eats other organisms for energy.
consumer Back
This form of reproduction involves only one parent and an identical genetic copy of itself is produced.
asexual reproduction Back
What type of star is our Sun on the Hertzsprung-Russell diagram?
main-sequence star Back
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