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
What are the 3 things stated in the cell theory?
The cell is the basic unit of life
All cells come from other cells
All organisms are made out of cells
100
What kind of rock forms directly from melting and cooling magma or lava?
Igneous Rocks
100
What is a Sunspot? What is so unique about them?
dark areas of the sun. They cooler than the rest.
100
A melting candle wax is an example of what kind of change in matter? Physical or chemical
Physical
200
The ________ variable is the factor that is changed during an experiment in order to study the changes but the _________ variable is the one changed by nature
independent, dependent
200
That is the difference between Photosynthesis and Cell Respiration?
Photosynthesis forms Sugar and oxygen from Water, Light and Carbon Dioxide while Cell respiration does the opposite except it also produces ATP
200
How are weathering and erosion different?
Weathering is the breaking down or rocks while erosion is its movements
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 are the difference between convection, radiation and conduction?
Convection-Circles
radiation- Far away
Conduction Touching
300
How are theories and Laws different and similar?
Theories is an explanation of an event in nature while a Law is a description of an event in nature. They are both supported by evidence.
300
What is the correct order of levels of Organization from smallest to Organism?
Cell, Tissue, Organ, Organ System, Organism
300
What is continental Drift and Who proposed it?
Theory that states the continents are moving. Proposed by Alfred Wegener.
300
Name all the planets in order from Sun to the last one
M, V, E. M. J. S, U, N
300
What is the difference between a group and period in the periodic table? What about family?
Family is the elements that all have the same characteristics. Group is the column but period is the row. Oxygen is in group 6
400
What is the difference between replicate and repeating an experiment?
Repeating is when a scientist repeats their own experiment by Replicating is when another scientist repeats that experiment. They are both for accuracy.
400
What are 2 structures that plant cells have that animal cells do not?
Chloroplasts and Cell Walls
400
How are the 3 types of plate boundaries different? And what do they form?
Convergent- collide and forms Mountain
Divergent- Separate and forms mid atlantic ridge
Transformed- earthquakes
400
Explain the difference between weight and mass. Where will your weight be more on Jupiter or pluto? Why?
Mass does not change but weight changes with gravity. More weight on Jupiter. Jupiter is bigger and closer to the Sun
400
How many protons does one atom of Iron have? Electrons? Neutrons?
26 protons
26 electrons
30 neutrons
500
How would you find the volume of a rock using a graduated cylinder? What is this Method called?
Put any amount of water in the cylinder. Write down how much water it has. Then placing the rock inside to measure how much the water went up. This is called the water displacement method.
500
Give the names and describe the 3 symbiotic relationships
Mutualism-Both benefit
Parasitism- One benefit other is harmed
Commensalism- One benefits and the other doesnt care
500
Explain the law of Superposition. This law can be affected. What are some things that can affect it?
States that layers of soil and fossils are in order from Bottom to top. It can be affected by earthquakes and volcano lava.
500
Expaline the difference between a solar and lunar eclipse
Solar. Moon blocks light from Sun
Lunar- Earth block light from Sun
500
In a mixture of Salt and Water, Which is the solute and which is the solvent/? Is this a Homogeneous mixture or heterogeneous?
Solute is the salt. Water is the solvent. It is Homogeneous