Energy
Simple Machines
Weather Fronts
Atmosphere Layers
Animal Ecosystems
100
What is the definition of Nuclear energy?
nuclear energy is created when the nuclei of atoms are fused or is the source if energy in the sun.
100
What is an inclined plane?
a sloping surface like a ramp, that reduces the amount of force required to lift an object.
100
What represents Warm fronts?
a red line with half circles pointing toward the direction of movement.
100
What layer is closest to the earth?
Troposphere
100
What are Heterotrophs?
Animals that have to get their own food externally.
200
What type of energy is this?
Potential Energy
200
What is a pulley?
a simple machine consisting of wheel with a groove for a rope.
200
What represents a cold front?
a line with the teeth pointing toward the direction of movement.
200
List the five layers of the atmosphere.
troposphere, stratosphere, mesosphere, thermosphere, exosphere
200
What are Autotrophs?
Animals that make their own food.
300
What is an electromagnet?
formed when a wire in an electric circuit is wrapped around an iron core producing a magnetic field.
300
What is a wheel?
an object that can rotate
300
What is an occluded front?
When a cold air mass pushes into a warm air mass, is pushed above the cooler air mass.
300
In which layer are there meteors?
Mesosphere
300
What recources do animals need?
food, oxygen, and water
400
What type of energy is this
energy in the form of heat
Thermal Energy
400
What is an Axle?
central shaft inserted through the middle of a wheel
400
What is a Stationary front?
Cold and warm air mass meet each other but neither moves.
400
In which layer does weather occur?
Troposphere
400
Why do they need food, oxygen, and water?
To perform basic life functions.
500
Sunlight energy comes from......
ELECTRONS
500
What is the fulcrum?
fixed point on which the lever rests or moves; may be placed at different locations along the bar
500
What represents the occluded front?
semi circle and a pointed triangle on a line.
500
In which layer are there Satellites?
Exosphere
500
What are the five characteristics of living things?
Response to stimuli, use energy, grow and develop, are organized in cells, reproduce