Nature of Science
Life Science
Earth Science
Space Science
Physical Science
100
What is a hypothesis?
A prediction or educated guess that is a possible answer to a scientific question.
100
Which of the 3 domains are humans in?
Eukarya
100
Name 2 renewable resources.
wind, sunlight, water, trees, soil, etc.
100
What season is it when the northern hemisphere is tilted toward the sun?
Summer.
100
A melting candle wax is an example of what kind of change in matter?
Physical
200
The ________ variable is the factor that is changed during an experiment in order to study the changes in the _________ variable.
independent, dependent
200
What is the difference between Mitosis and Meiosis
Mitosis = make new cells (diploid)
Meiosis = makes half a cell for reproduction. (haploid)
200
What kind of rock forms directly from melting and cooling magma or lava?
Igneous Rock
200
You see 3 stars, one blue, one white and one red. All 3 stars are the same size and distance from earth. Which star will be the hottest?
Blue
200
What is the difference between weight and mass
Weight = is based on planet's gravity (can change)
Mass= is based on the amount of matter. (doesn't change)
300
What are models in science? Give one example of a scientific model.
Representations of something that shows its parts or how it functions. Examples include... diagrams, 3D models, graphs, equations, etc
300
What's evidence for evolution?
fossil record
300
If two of Earth's tectonic plates collided, what would occur?
Earthquakes, create mountains or volcanos
300
What shape is the orbit of the planets around the sun?
elliptical
300
If you put a hot pot into a sink of cold water, what would be the primary way the heat would transfer from the pot to the water?
Conduction (from hot to cold)
400
Why would other scientists REPLICATE experiments?
For accuracy and to confirm it.
400
What are 2 structures that plant cells have that animal cells do not?
Chloroplasts and Cell Walls
400
Name 3 ways humans negatively impact Earth and the result.
1. deforestation = more erosion
2. desertification = change in water flow
3. urbanization = reduced air & water quality
400
What is the most important thing in determining a star's life cycle?
It's mass.
400
How many protons does one atom of Iron have? Electrons? Neutrons?
26 protons
26 electrons
30 neutrons
26 electrons
30 neutrons
500
What is the difference between a Scientific Law and a Scientific Theory?
Laws describe a what will happen in nature
Theories try to explain why it happens.
Both have lots of evidence.
500
Describe 4 symbiotic relationships in animals.
Mutualism = both benefit
Commensalism = one benefits/other is unaffected
Parasitism =one benefits/other is harmed
Predation = one eats other
500
On the day of the Vernal Equinox, how does the amount of sunlight compare in the Northern and Southern Hemispheres? What about the Summer Solstice?
Equinox- both hemispheres get same amount of sunlight (~12 hours)
Solstice- Northern gets more sunlight and Southern has longer darkness
Solstice- Northern gets more sunlight and Southern has longer darkness
500
What phase is the moon in when it is closest to the sun? What about when it is farthest?
What are the names of the eclipses that can happen when the moon is in these two phases? (You must match them with the correct phase)
What are the names of the eclipses that can happen when the moon is in these two phases? (You must match them with the correct phase)
Closest- New Moon, Solar Eclipse
Farthest- Full Moon, Lunar Eclipse
Farthest- Full Moon, Lunar Eclipse
500
What happens to the particles in a substance that goes from a liquid to a solid?
They lose kinetic energy (slow down).