Human Body Systems & Heredity
Define hemoglobin.
What is a molecule that carries oxygen from the lungs to the body cells?
Define a renewable resource.
What is any natural resource that is recycled or replaced constantly by nature?
Define the atomic number of an element.
What is the number of protons in the nucleus of atoms of that element?
What is a solar eclipse?
When the moon passes directly between the earth and sun
What is heredity?
The passing down of traits from parent to offspring
Define coronary circulation.
What is the flow of blood to and from the tissues of the heart?
Define the greenhouse effect.
What is a natural heating that occurs when certain gases in Earth's atmosphere trap heat?
Define momentum.
What is a measure of how hard it is to stop an object?
What is a barometer?
A device that measures atmospheric pressure
What is a vacuole?
A membrane-covered structure used for storage
Explain natural selection.
What is a theory stating that organisms with traits best suited to their environment are more likely to survive and reproduce?
What are evaporation, condensation, precipitacion, and accumulation?
state the equation for calculating acceleration.
What is (final speed - initial speed)/time?
State the formula for calculating momentum.
What is mass multiplied by velocity
What is adaptation?
Any characteristic that helps and organism survive in its environment
State the organs that make up the central and peripheral nervous system
Central nervous system - What are the brain and spinal cord?
Peripheral Nervous System - What are all nerves outside the CNS?
Why are fossil fuels bad for the environment?
Burning fossil fuels produces waste gases that pollute the air, and the mining of fuels like coal can destroy ecosystems.
State the names for rows and columns on the periodic table
rows - What are periods?
columns - What are groups?
What is sublimation?
The change of state directly from solid to gas
What is weathering?
The process through which rocks or other materials are broken down
If a pea flower has one dominant purple allele and one recessive white allele, will the flower be purple or white?
The flower will be purple.
Name at least one way to determine the age of a fossil.
What are radioactive and relative dating?
A car travels 60 miles at a constant speed in 2 hours - state the speed of the car
What is radiation?
The transfer of energy through electromagnetic rays
What is buoyancy?
The resistance to sinking