IS
More IS
Amazing IS
Also IS
IS Again
100
A system that consists of different planets orbiting a star
Solar System
100
A celestial body that orbits a planet.
A moon
100
A system that consists of solar systems held together by gravity.
Galaxy
100
Antibiotics are powerful medicines that can fight ______ infections.
bacterial
100
A system that consists of different galaxies together.
The Universe
200
If viruses and bacteria both cause diseases, why are viruses not considered living organisms?
Because viruses need a host to survive.
200
White light can be split up into a spectrum using a _____
prism
200
Highly addictive legal drug
Nicotine
200
The Earth _____ around the Sun completing one orbit every year and ______ on its axis, completing one orbit every 24 hours.
revolves - rotates
200
1. From a liquid to a gas: _____
2. From a gas to a liquid: _____
1. Evaporation
2. Condensation
300
The incident ray is the light going _____ the mirror
towards
300
Explain the differences between Type 1 and Type 2 diabetes.
In type 1 the body cannot produce insulin and is usually genetic, while in type 2 diabetes the body becomes resistant to insulin and is often linked to lifestyle factors.
300
When lots of people in an area are vaccinated, fewer people get sick, this protects those who cannot get vaccinated. This concept is called:
Herd Immunity
300
Name the three parts of an atom with their charges
Protons (+)
Neutrons (0)
Electrons (-)
300
When a light ray passes across two substances of different density it changes its direction, causing an effect called:
Refraction
400
Name the three categories of drugs and their effects in the body
Stimulants: stimulate the nervous system into working faster
Depressants: Slow down the nervous system so the body feels more relaxed
Hallucinogens: Alter how a person feels and thinks
400
Name and explain 4 mental illnesses.
1. Depression: Constant feeling of sadness, loss or feeling down.
2. Anxiety: constant feeling of fear and anxiety that does not go away.
3. Eating disorders: An unhealthy relationship with food.
4. Schizophrenia: characterized by delusions, hallucinations, and a distorted sense of reality.
400
1. From a gas to a solid: ______
2. From a solid to a gas: ______
1. Deposition
2. Sublimation
400
Atomic Number and Atomic Mass
Atomic number: 29
Atomic mass: 63.5
400
How do people use tobacco? (Mention at least 4 ways)
Smoking, chewing, snuff, dip, snus
500
Vaccination involves introducing a small amount of a pathogen into the body. How could the pathogen be present in the vaccine?
1. Live pathogens treated to be harmless.
2. Harmless fragments of the pathogen.
3. Dead pathogens.
500
Name the phases of the moon
New moon - waxing crescent - 1st quarter - waxing gibbous - full moon - waning gibbous - last quarter - waning crescent
500
Name 5 modes of infectious disease transmission
1. Person to person contact (Direct contact)
2. Droplet spread
3. Airborne transmission
4. Contaminated objects, food or water
5. Animal to person contact
6. Insect bites
500
Which microorganism is the picture showing?
A virus
500
The law of reflection states that:
The angle of incidence equals the angle of reflection