Force and Motion
Ecology
Space
Plate Tectonics
Chemistry
100
At which Position is kinetic energy the highest?
Position B
100
What is the difference between a food web and a food chain?
Food chain is linear with 1 animal per trophic level
Food web is multiple food chains together and more than 1 type of consumer
100
name each area of stars mentioned on the HR diagram
white dwarfs, main sequence stars, giants, super giants
100
Who came up with the Continental Drift theory
Alfred Wegner
100
List at least 3 properties of a metal.
Shiny
Conductor
high melting point
solid
malleable
ductile
200
A student pushes a 50 kg bookshelf across a smooth floor with a net force of 67N. What is the acceleration of the bookshelf?
1.34m/s2
200
How are primary succession and secondary succession different?
Primary is the 1st time the ecosystem is being build in stages.
Secondary is when its being rebuilt after a disaster. (same steps)
200
Write down the life cycle of a massive star
Planetary nebula ->main sequence -> Red supergiant ->super nova - > black hole or neutron star
200
Describe what a subduction zone is?
Where 1 plate (oceanic) sinks beneath another plate. Should be at a convergent boundary. Creates a volcano
200
6CO2 + 6H2O → C6H12O6 + 6O2
Does this equation follow the Law of conservation of Mass?
Yes it is balanced.
Reactants - C - 6 H -12 0 - 18
Products - C -6 H - 12 0 - 18
300
Isaac let the air out of a balloon and it flies across the room. This is an example of which of Newton's 3 laws?
Law of action and reaction or Newtons 3rd law
300
what is the 10% rule
Producers keep 100 of the energy they make an 10% is passed on to each trophic level
300
what are the 2 factors that affect gravity?
Distance and Mass
300
Why do the plates move on the Earths Surface?
CONVECTION CURRENTS IN THE MANTLE
300
Make a t-chart with at least 3 examples of physical and chemical changes
Physical - melting ice, Tearing paper, crushing a can
breaking a mirror
Chemical - rusting, bubbles forming, sound made from a firecracker, color change
400
Students build a circuit. The circuit has wires that connect to a battery to a switch and a fan. List the 3 energy transfers that happen when the students close the circuit and the blades of the fan begin to spin.
Chemical to electrical to mechanical
400
How is mitochondria different from a nucleus
a nucleus holds DNA only (control center)
The mitochondria is the power house of the cell where energy is made
400
What does the Electromagnetic Spectrum measure?
Wavelengths of different types of waves
400
What is the difference between the lithosphere and asthenosphere
Lithosphere is rocks or surface only
Asthenosphere is the top layer of the mantle
400
Methane is CH4. How would we represent 4 molecules of Methane?
4CH4
500
A car travels at a speed of 25 m/s in a time frame of 3.2 seconds. What was their distance covered?
80 meters
500
What is the function and organs for the integumentary system?
It is the SKIN HAIR AND NAILS that protect the body form bacteria and release sweat.
500
PSYYYYYYYCH
TELL ME THE 3 PARTS OF CELL THEORY
1. All living things are made of cells
2. Cells are the basic unit of life
3. Cells come form preexisting cells
500
Name ALL the features created at a convergent boundary
Trench, volcano, mountain
500
The mass of the reactants in a chemical equation is 178g. After the chemical change occurs there are 2 products 1 of them weighs 58g. How much does the other product weigh?
120 g