Nature of Science
Life Science
Earth Science
Space Science
Physical Science
100
How many variables can be changed by the scientist in a valid experiment?
One! the independent variable
100
The size of a prokaryotic cell to a eukaryotic cell.
Prokaryotic are smaller because they have no membrane bound organelles
100
This landform is found where a river meets the ocean and material is deposited
What is a delta
100
The largest planet in our solar system
Saturn
100
A melting ice cube 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 form of cellular reproduction creates gametes (reproductive cells)?
Meiosis
200
What kind of rock forms directly from 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 measure of the pull of gravity on an object?
Weight
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 two organ systems are working together when Your brain constantly sends signals to your diaphragm so that it will contract and relax allowing you to breathe.
Nervous System (brain)
Respiratory System (lungs)
300
If two of Earth's tectonic plates collided, what would occur?
Earthquakes, create mountains or volcanos
300
The correct order from greatest to least in size: galaxy, planet, universe, moon, solar system, star
Universe- Galaxy-Solar system-star-planet-moon
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
400
A scientist performs an experiment and asks other scientists around the world to replicate it. Why would other scientists most likely try to perform the same experiment?
To ensure that the results of the experiment are accurate and can be replicated every time the experiment is performed.
400
What are 2 structures that plant cells have that animal cells do not?
Chloroplasts and Cell Walls
400
Name 2 ways humans have caused negative changes in the environment.
pollution, climate change, erosion, habitat destruction, deforestation, desertification, species extinctions, etc.
400
During a(n) ___________ eclipse, the Earth's shadow is seen on the moon.
Lunar
400
How Many protons, electrons, and Neutrons are in an atom of Iron? 
How many protons does one atom of Iron have? Electrons? Neutrons?
26 protons
26 electrons
30 neutrons
500
What is the difference between a Scientific Law and a Scientific Theory?
A Law tells what happens (math, gravity, ect)
A theory tells why it happens (biology, extinctions, ect.)
500
A bird species feeds on the seeds of a particular tree. A long drought causes the outer covering of the seeds to become thicker and harder to crack. After many generations, what will be the most likely change on the birds in this population?
They would adapt to eating the thicker seeds by evolving thicker, bigger or stronger beaks.
500
A hurricane damages the coastline. Which of Earth's spheres are interacting?
Hydrosphere (water-ocean)
Atmosphere (Air-storm-winds)
Lithosphere (Land-damaged)
Biosphere (life)
500
What phase is the moon during a Spring tide (highest high tide(s) of the month)
New Moon,
Full Moon
500
What energy transformations occur when you cook over a campfire?
Chemical--> (Thermal)Heat/Light--> sound