Show:
Biology
Chemical Reactions
Light & Optics
Climate Change
RANDOM
100
The phase of mitosis in which the chromosomes are aligned across the centre of the cell.
What is metaphase?
100
Total mass of products = Total mass of reactants
What is the Law of Conservation of Mass?
100
3.0 x 10^8 m/s.
What is the speed of light in a vacuum?
100
The pattern of weather conditions within a region averaged over a long period of time.
What is climate?
100
Tuesday, January 29th, 2013.
What is the date of our science exam?
200
Traps energy from the Sun to make glucose in a plant cell.
What is the chloroplast?
200
precipitate.
What is an insoluble solid formed in a chemical reaction?
200
The change in direction of a light ray when it bounces off a surface
What is reflection?
200
The natural warming caused when gases in Earth’s atmosphere absorb thermal energy that is radiated by the Sun and Earth.
What is the greenhouse effect?
200
Room 317.
What is the room where we'll be writing the science exam?
300
An unspecialized cell that can become any one of an organism's body cells.
What is an embryonic stem cell?
300
2-
What is the charge of an oxygen ion..., a sulfur ion..., a carbonate ion... or a sulfate ion?
300
S - smaller A - upright L - closer T - virtual
What is the characteristics of an image in a convex mirror?
300
An object’s ability to reflect sunlight.
What is albedo?
300
1.5 hours.
What is the time it takes for jell-o to set? (or the amount of time given to write the science exam? :)
400
This structure helps form the cell wall for plant cell cytokinesis.
What is a cell plate?
400
HCl + NaOH --> H2O + NaCl
What is a neutralization reaction between an acid and a base?
400
1.33
What is the index of refraction of water?
400
The collective mass of water found on, under, and over the surface of Earth in the form of liquid water, ice, and water vapour.
What is the hydrosphere?
400
Pencil, eraser, ruler and calculator.
What is the materials I'm going to bring to the science exam?
500
A common medical imaging technology used in diagnosis of disease that uses radio signals in a magnetic field to create images of body parts.
What is an MRI scan (magnetic resonance imaging)?
500
8.
What is the maximum number of valence electrons that can be fit into the shell of an atom?
500
critical angle.
What is the angle of incidence that produces an angle of refraction of 90°?
500
A process that removes greenhouse gases from the atmosphere
What is a sink?
500
6991 lbs.
What is the size of the largest sandwich ever made?