Cells & Systems
List 2 of the 3 points of cell theory.
1. All living things are made of cells.
2. All cells come from other cells.
3. The cell is the basic unit of life.
List 2 points from the particle model of matter.
1. All matter is made of tiny particles.
2. The particles are always moving.
3. There are spaces between particles.
4. Particles are attracted to one another.
Give 2 examples of luminous objects and 2 examples of non-luminous objects
Luminous: light bulb, sun, fire, etc.
Non-luminous: rock, desk, moon, etc.
List 3 types of simple machine.
Lever, pulley, wheel and axle, inclined plane, screw, wedge
Wind, Coriolis effect, differences in temperature, differences in salinity.
List both structures found on the outside of cells.
Name 2 types of mixtures and give an example of each.
homogenous (solution), heterogenous (mechanical), suspension, colloid, emulsion
What type of lens often flips images upside down?
Concave (like the inside of a spoon)
List 2 types of pulley.
Simple fixed pulley, moveable pully, block and tackle.
What is the name for a region on Earth where water all ends up in the same place.
Watershed
List 2 organelles that are responsible for building/producing a substance, and list the substances.
Ribosomes - proteins
Endoplasmic reticulum - lipids
Chloroplasts - glucose
Mitochondria - ATP
Nucleus - DNA
When a substance is heated, the particles move ________, the spaces between them ____________, and the attractive forces between them ___________.
Faster, grow/increase/get bigger, decrease/get weaker.
When red light, blue light, and green light are produced or reflected together, the result is light that looks this colour.
White
No machine can ever be 100% efficient. List 2 types of energy that are commonly lost in mechanical systems.
Heat, sound, light
The outside edge of a curved river will __________ and the inside edge of the curve will __________.
erode (faster water), deposit (slower water)
List 2 extremely high surface area structures in the human body and what organs they are found in.
Alveoli - lungs (gas exchange)
Villi - small intestine (nutrient absorption)
Nephrons - kidneys (waste excretion)
Capillaries - blood vessels (nutrient/waste exchange)
How can a boat be made from very dense steel (about 8 g/cm cubed), but still float?
While a chunk of steel would sink, much of the boat is actually empty space, and the average density of the boat is less than 1g/cm cubed. It is BUOYANT!
List any 3 parts of the electromagnetic spectrum from longest to shortest wavelength.
Radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, gamma rays
Mr. Hagen carries 40 kg of lab supplies up the stairs. The next day he is feeling lazy and tosses them up the stairs to the second floor. Which required more work?
Same amount of work.
List three ocean zones form closest to shore to farthest OR list three ocean zones from closest to the surface to deepest.
Shore: intertidal zone -> neritic zone -> oceanic zone
Depth: photic zone -> aphotic zone -> abyssal zone
You see a car rushing toward you as you are crossing the street and instinctively jump out of the way. List the structures in the nervous system that are responsible for saving your life (in order).
Sensory neuron (optic nerve) -> brain (cerebrum) -> spinal cord -> motor neurons
Draw 3 WHMIS symbols and describe the hazard they represent.
Exploding bomb, flammable, oxidizer, exclamation mark, health hazard, gas cylinder, skull and crossbones, environment, biohazard
List the structures that light passes through or interacts with to give us a visible image (in order).
cornea -> pupil -> lens -> vitreous humour -> retina (rods & cones)
What are the standard units for measuring: force, area, pressure, work, and mechanical advantage.
Newtons, square meters, Pascals, Joules, no units for MA.
List 5 features that indicate a glacier was once present.