Chem
Describe what the WHMIS symbol for a flammable product looks like
flame
Heat transfer where you directly touch something hot is called...
conduction
If you use the 40x objective lens and the 10x eye piece lens what is the total magnification?
400 x
What does it mean to be an abiotic factor
never living
You push a box 5m. Was work done?
yes
List one property of metals
shiny, magnetic, solid at room temperature
What type of lever is a see saw?
first class lever
What is the nucleus for?
control centre of the cell
what is the difference between weather and climate
weather is what is like outside now, climate is long term
You dissolve sugar in a glass of water. What is the solute?
sugar
What does it mean to be corrosive?
Can eat away skin
Why does food colouring move around more if it is put in hot water rather than cold water?
particles move faster in hot water
Name an organelle that is NOT found in animal cells
cell wall, chloroplast, large vacuole
The relationship in which one animal eats another is called...
parasitism
Something has a pH of 9. Is it an acid or base?
Base
What colour do bases turn litmus paper?
Blue
If you want you house to be well insulate should you use materials with a high or low R value?
high R value
What part of a microscope magnifies an image?
objective lens
Photosynthesis adds what gas to the environment?
oxygen
How many atoms are in CH4
5
Define concentration
The amount of solute in a given amount of solvent
Define efficiency
How well a machine does work
How much energy is passed to the next animal in a food chain?
10%
The washing away of soil nutrients by rain is called...
leaching
This procedure is used to clear a blocked artery?
angioplasty