Unit 1
What is decomposition
Something breaking down
What is potential energy?
a type of energy that is stored in an object due to its position relative to other objects.
What kind of factors contribute to the rise of diseases?
poor environment, bad drinking water, bad sanitation
What are speed bumps
Speed bumps are bumps in the road to slow you down
What is a alloy?
A substance that is made of two or more metals
What is kinetic energy?
the energy of motion, observable as the movement of an object
What is a communicable disease?
A communicable disease is a contagious disease
What do traffic lights do?
They help the flow of traffic
What is a polymer?
Large molecules made by bonding a series of building blocks
What are some factors that effect metabolism?
Age, gender, physical activity
How do white blood cells and antibodies protect us from disease?
They Patrol the blood and tissues throughout the body in search of intruders.
What do seatbelts do?
They extend the time it takes for you to stop when the car suddenly stops
What is the law of conservation?
chemical reactions, mass is conserved by ensuring the same number of atoms on both sides of the equation.
How are fossil fuels formed?
when prehistoric plants and animals died and were gradually buried by layers of rock.
What is a non-communicable disease?
a non communicable disease is not contagious.
why are large/heavy objects harder to stop over a short distance?
Large or heavy objects are harder to stop over a short distance because they have more momentum
What technology are we using to reduce emissions?
renewable energies such as wind energy, solar power and hydropower.
How are fossil fuels extracted?
Drilling and mining
How do societal factors contribute to disease?
Not have access to vaccines or immunizations.
What is a crumple zone?