What units do scientists use for measuring data in their experiments?
S.I., metric (grams, liters, meters)
100
What is created by a plant during photosynthesis?
Oxygen and glucose (energy)
100
What is an example of a non-renewable resource?
fossil fuels, natural gas, coal, electricity
100
Why do sunspots appear darker than the surrounding area on the sun?
They are areas of gas that are cooler than the surrounding areas.
100
In which state of matter do particles spread and fill the volume of whatever size and shape container holds them?
Gas
200
What is the definition of replication?
Duplicating the process of experimentation to ensure large amounts of data exists; helps promote accuracy.
200
Name an organism that can reproduce asexually.
bacteria, amoeba, hydras
200
There are over 3,000 identified minerals on Earth. If you find a mineral and want to identify it, what 2 mineral properties would be helpful to identify it?
Which model of the solar system places Earth at its center?
Geocentric
200
What 2 qualities do you need to know in order to calculate the density of any matter?
Volume and Mass
300
Why are data tables and graphs so important in scientific reporting?
They compare data in a clear and concise way.
300
Name 2 limiting factors that would slow the growth of a population of deer.
Lack of food, water, shelter, mates; overpopulation, predation
300
Two tectonics plates collide and begin to push up the earth's crust where they meet. What could form at this point?
Mountains or Volcanos
300
What phase in the life cycle of a star takes place after the most massive of stars is already a supernova?
Black hole
300
What is the most current and modern model used to describe the structure of the atom?
Electron Cloud
400
How might choosing a small sample size affect the results of a scientific investigation?
It could skew the results; it is less reliable; results may be inaccurate.
400
Oxygen reacts with glucose to produce carbon dioxide and water, and release energy. This summarizes what cellular process?
Cellular Respiration
400
Approximately how old is the Earth?
4.5 billion years
400
What fuel does a main-sequence star use for nuclear fusion?
Hydrogen
400
Looking at an unknown substance, you see different colors and different sizes of particles unevenly distributed throughout the substance. What type of matter best classifies this substance?
Heterogeneous mixture
500
Suppose that new evidence from several experiments disagrees with an accepted theory. What will happen to this theory?
It could be modified, revised or replaced with a new theory that agrees with the new data.
500
A flowering plant has a dominant trait for smooth seeds (S) and recessive trait for wrinkled seeds (s). After reproducing many times, the plants have 50% offspring with smooth seeds and 50% with wrinkled seeds. What must be the alleles of the parent plants? Complete the Punnet Square showing the parents traits.
Ss, ss
500
How are metamorphic rocks formed?
Through the application of intense heat and pressure to fragments of other rocks.
500
What are the 3 layers of the sun’s atmosphere?
Photosphere, chromosphere, corona
500
An atom of Silicon contains 14 protons and 14 neutrons. What is the maximum number of electrons it could have and still have a positive charge?