Electric Circuits 1
Identify an electric component that supplies electrical energy.
Battery/Powerpack
Earthquakes produce seismic waves which carry
Energy
All foodwebs and food pyramids begin with a P__________________
PRODUCER.
Identify the layer of the Earth that contains iron and nickel.
CORE
Identify a biotic and an abiotic factor.
Biotic = living
Abiotic = non-living
What would happen to one light globe if another light globe blew out in a SERIES CIRCUIT?
BOTH LIGHT GLOBES GO OUT.
Occurs when two plates move apart.
D
Divergent plate movement
Identify a process that occurs in PLANTS where sunlight, Carbon dioxide and water is converted to
glucose and Oxygen gas.
P___________________
Photosynthesis
Occurs when an oceanic plate runs into a continental plate in the ocean.
S
Subduction
Phytoplankton --> Small fish --> Large fish --> Shark
Which organism would be present in the greatest number?
Producer (PHYTOPLANKTON)
Outline the function of a RESISTOR.
RESISTORS reduce the flow of electric current.
All the continents were once joined together in one super continent referred to as ___________
Pangaea
The burning of fossil fuels releases ____________
Carbon dioxide gas into the atmosphere.
Aligning coastal margins is one piece of evidence to support the theory which states that _________________ were once _____________
All the continents were once joined together to form a supercontinent (PANGEAE).
Which group of organisms have the greatest biomass in an ecosystem;
PRODUCERS or
HIGHER ORDER CARNIVORES
Producers
In an electric circuit, a voltage of 240V causes a current flow of 12A. Calculate the resistance.
R = V/I
R = V/I
R = 240 / 12
R = 20 ohm
The part of an Earthquake on the crusts surface is called the __________.
The origin of an Earthquake below the ground is called the FOCUS.
The part of an Earthquake on the crusts surface is called the EPICENTER.
The name given to a group of organisms that inhabit a particular environment.
COMMUNITY
Name given to the;
A) Place that holds magma in a volcano
B) Location where magma exits the volcano
C) Solid magma
Name given to the;
A) Place that holds magma in a volcano - MAGMA CHAMBER
B) Location where magma exits the volcano - VENT
C) Solid magma - LAVA
Define sustainability.
Practices and interactions with the environment that use natural resources without destroying the nature environment for future generations.
The symbols for each of the following is given. Give their UNIT of MEASUREMENT.
Current A
Resistance
Voltage V
Current amp
Resistance ohm
Voltage volt
Outline the function of a SEISOMOMETER.
A seismometer is the internal part of the seismograph, which consists of a pendulum or a mass mounted on a spring. It is often used to record the motion of the ground during an earthquake.
Outline the damage human activity has had on the environment.
Provide solutions for rectifying these problems.
Variable answers
Identify the three main types of plate movement and describe each;
Convergent - plates move together
Divergent - plates move apart
Transform - plates slide against each other
Give the word equation for photosynthesis.
Carbon dioxide + Water ---sunlight----> Oxygen + Glucose