Atmosphere
Human Body
Cells
Heredity & Traits
Forces & Motion
Simple Machines
FREE POINTS
100
What layer of the atmosphere do we live in?
A: Troposphere
100
What organ pumps blood throughout the body?
Heart
100
What is the basic unit of life?
Cells
100
What is a trait?
A characteristic passed from parents to offspring
100
What is energy?
The ability to do work
100
What simple machine is a ramp?
Inclined planed
100
Regarding density in a container, which state of matter does this image represent?
what is gas
200
Which layer contains the ozone layer?
Stratosphere
200
What system is responsible for breaking down food?
Digestive
200
What structure controls the cell?
Nucleus
200
What carries genetic information?
DNA
200
What type of energy is stored energy?
Potential energy
200
What simple machine is used to lift a flag?
Pulley
200
Simplify:
2 (3 - x) - 12 + 4x
What is 2x - 6?
300
What is the main purpose of the ozone layer?
Protects Earth from UV radiation
300
What is the function of red blood cells?
Carry Oxygen
300
What organelle is known as the “powerhouse” of the cell?
Mitochondria
300
What is the difference between dominant and recessive traits?
Dominant shows over recessive
300
What type of energy is energy of motion?
Kinetic energy
300
A seesaw is what simple machine?
Levers
300
What is the process of cutting someone in a precise location to allow them to bleed to "cure" a disease?
Blood letting
400
What gas makes up about 78% of Earth’s atmosphere?
Nitrogen
400
What system controls the body using electrical signals?
Nervous
400
What is the difference between plant and animal cells? (Both)
Plants have cell wall & chloroplasts
400
What is a gene?
A section of DNA that codes for a trait
400
What are the three methods of heat transfer?
Conduction, convection, radiation
400
What is the formula for work?
Work = force × distance
400
What is the term for a static, defensive form of combat using a complex system of notworked pathways?
Trench Warfare
500
Why does air pressure decrease as altitude increases?
There are fewer air particles above you
500
How do the respiratory and circulatory systems work together? (2 statements)
Oxygen enters lungs → blood carries it to cells
500
What is the function of the cell membrane?
Controls what enters and leaves the cell
500
Why do siblings look different even when they have the same parents?
Different combinations of genes - genetic variation
500
What energy transformation happens in a flashlight?
(3 parts)
Chemical → electrical → light
500
How is mechanical advantage defined?
How much a machine multiplies force
500
What is the function of alveoli? Be specific
Gas exchange (oxygen & carbon dioxide)
1000
Which sub-layer of the atmosphere allows for radio communication and auroras?
Ionosphere - between the Mesosphere & Thermosphere
1000
What are the two systems of the nervous system that work together?
Motor &Sensory
1000
What is the organelle responsible for cleaning up the inside of the cell?
Lysosomes
1000
What does DNA stand for?
Deoxyribonucleic acid
1000
When focused on aerodynamics, which two values heavily rely on body shape, fins, spoilers, etc.?
Drag coefficient (CD) &
Lift coefficient (CL)
1000
Calculate the mechanical advantage below:
1000
Which King of England saw the Magna Carta take away his powers?
King John