Chemistry
What element is Fe?
Iron
What does an unbalanced force cause?
Motion
Where does all the energy in a food web come from?
The Sun
What type of plate boundary do plates move away from each other?
Divergent boundary
List all stages of the water cycle
Evaporation, condensation, precipitation
What classifications do the following elements have?
Sc, Po, Kr
Sc = metal
Po = metalloid
Kr = nonmetal
Time = Distance / Speed
What type of organisms create their own food?
Autotrophs / Plants
What causes the different seasons?
The tilt of Earth's axis
producers, that get their energy from the Sun.
After mixing 5 grams of a mysterious substance with 10 grams of water the mixture begins to bubble in an open container. After it settles, the total mixture weights 12 grams. Explain how that is possible.
Some of the gasses (bubbles) escaped and left the container.
What is the difference between speed and velocity?
Speed is distance / time.
Velocity is speed WITH direction.
Create an accurate example of a food chain.
Ex: Grass ---> Capybara ---> Jaguar ---> Ants (decomposers)
What do all stars have in common?
All stars are made up of the same stuff. Hydrogen and helium.
How does the Sun transfer energy to Earth? (type of thermal energytransfer)
radiation
Correctly explain how popping fireworks is a chemical change.
The fireworks produce heat, light, smell, and noise. The substance changes into a different substance that cannot be reversed.
Jimothy biked his 125 mile race in 5 hours. What was Jimothy's speed?
Hint: Don't forget the metric!
A wildfire burns all the plants in an ecosystem. What type of succession would take place? Explain why.
Secondary succession because the soil in the ecosystem is still present.
What galaxy do we live in, what type of galaxy is it, AND where are we located in it?
The Milky Way galaxy, that is a spiral galaxy, located in an outer arm.
Identify the elements and the correct number of atoms in this chemical compound.
4 Pt(NH3)2Cl2
Platinum: 4
Nitrogen: 8
Hydrogen: 24
Chlorine: 8
How long will your road trip take if your destination is 350 miles away, you stop for lunch which takes an hour, and your average speed is 70 mph while driving?
6 hours
If the apex predator in an ecosystem would vanish, how would it effect the rest of the ecosystem?
Their prey's population would increase, eating more of the plants they eat, causing the plants population to decrease.
What is the most concrete evidence of plate tectonic theory?
Fossils of the same organisms found in different continents.
Asexual reproduction