Combustion
Light
Energy Transfers
Respiration
Unicellular Organisms
Periodic Table
Metals and their Uses
Food and Nutrition
100
Name 2 fossil fuels.
Coal, oil, natural gas
100
What is the term that describes light waves bouncing back off of a surface?
Reflection
100
What type of energy is stored in a moving object?
Kinetic
100
What gas goes from the lungs into the bloodstream?
Oxygen
100
Name 2 parts of a bacterial cell.
Cell wall, cell membrane, cytoplasm, plasmid, flagellum, ribosomes, DNA
100
What side of the periodic table are metals in?
The left side
100
Name 2 metals from the periodic table.
Any 2 metals
100
What type of disease is caused by a lack of vitamin C?
scurvy
200
What gas is produced in complete combustion?
Carbon dioxide
200
What is happening to the light waves in the image below?
Absorption, being absorbed
200
What is the most common form of wasted energy?
Heat energy
200
What gas goes from the bloodstream into the lungs?
Carbon dioxide
200
What are 2 things a plant cell has that an animal cell does NOT have?
Cell wall, chloroplast, vacuole
200
DOUBLE POINTS! Group 1 metals are very ___________ when they come into contact with water
Reactive
200
Name 3 properties of metals
Good conductors of heat, good conductors of electricity, shiny, malleable, high melting point, high boiling point
200
What type of disease is caused by a lack of vitamin D?
Rickets
300
What is the equation for complete combustion?
Fuel + oxygen --> carbon dioxide + water
300
If a light wave goes straight through a material, that means it has been _______________.
Transmitted.
300
What type of heat transfer occurs in water boiling in a pot?
Convection
300
What is the term for gas particles moving from high to low concentration?
Diffusion
300
What is the name of the process that yeast cells do that is helpful in making bread and beer?
Fermentation
300
Which group on the periodic table is the most unreactive?
Noble gases, group 8
300
What would you expect to see in a test tube if magnesium is put into acid?
Bubbles, gas forming
300
Which of the following is a good source of fat?
A. chicken
B. Olive oil
C. Milk
Olive oil
400
What is the name of the poisonous gas produced by incomplete combustion?
Carbon monoxide
400
If green light shines on a red shirt, what colour will the shirt appear?
Black
400
DOUBLE POINTS! What happens during conduction? Answers must include particles.
Particles vibrate more, and vibrations are passed through the substance.
400
DOUBLE POINTS! Name parts B, C, D, and E in this diagram.
B: trachea
C: bronchi
D: bronchioles
E. Alveoli
400
What is the equation for fermentation?
Glucose --> Carbon dioxide + ethanol
400
What are the horizontal rows on the periodic table called?
Periods
400
DOUBLE POINTS! What is compound is formed when lithium and oxygen react?
Lithium oxide
400
DOUBLE POINTS! Why can we not digest fiber?
It is too large, we do not have the enzymes to break it down
500
DOUBLE POINTS! Name 2 gases that contribute to acid rain.
sulfur dioxide and nitrogen oxides
500
DOUBLE POINTS! What is the relationship between the angle of incidence and the angle of refraction?
They are equal
500
A lightbulb has a total input energy of 100J. It releases 60J of light energy and 40J of heat energy. What is the energy efficiency of the light bulb?
60/100 = 60%
500
Name 2 adaptations of alveoli.
Large surface area, good blood supply (many capillaries), thin walls
500
Why do algae swim towards the light, AND why do they swim away if there is too much light?
Swim towards the light to do photosynthesis.
Swim away from intense light because it can damage the cell.
500
How many total atoms are in this compound:
H2SO4
7 atoms
500
Bronze is an example of an __________
Alloy
500
What part of the digestive system absorbs nutrients?
Small intestine