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Chemistry
Physics
Biology
Earth Sciences
RANDOM
100
The name of the compound NaNO3(s)?
What is sodium nitrate?
100
The difference between speed and velocity is speed is a _________ quantity.
What is scalar?
100
This organelle is responsible for protein synthesis.
What is the ribosome.
100

The layer of the atmosphere that contains the ozone layer is

Stratosphere

100

The integer equal to the total number of protons and neutrons in the nucleus of an atom.

What is atomic mass or mass number?

200

The name of the most outer ring on a bohr diagram.

What is a valence shell

200
The amount of energy an object gains is 100J of work is done on it.
What is 100 J?
200
This is what we call artificially cleaning of human blood.
Dialysis.
200
The solid portion of the Earth composed of rocks, minerals, and elements.
What is the lithosphere?
200

What process produces oxygen in leaves?

Photosynthesis

300
The atomic mass indicates the amount _______ and ________ in an atom. 

Protons and electrons

300
When the change in magnitude of the velocity is negative and the direction is East.
What is negative acceleration?
300
These are the four compounds that make up living organisms such as humans.
What are proteins, lipids, carbohydrates, and nucleic acids.
300

The green colour in a plant leaf comes from 

Chlorophyll

300

What term refers to the attraction of water molecules for each other

What is Cohesion

400
This type of chemical reaction that occurs when two ionic compounds in solution produce a solid precipitate.
What is a double replacement reaction.
400

If Jim jogs 300 m W and 267 m E... what is his displacement? 

33 m W

400

The passive transport of water through a cell membrane.

What is osmosis?

400

What is weather defined by

Average temperature, precipitation over a short period of time

400

When a specimen is stained, which characteristic of the image is most improved? 

What is contrast?

500

Do noble gases have a charge?

No

500
How long it will take a girl running at a velocity of 2.50 m/s to reach 4.00 m/s is she is accelerating at a rate of 0.500 m/s2.
What is 3 seconds.
500

What did Louis Pasteur's experiment demonstrate about the theory of spontaneous generation?

Spontaneous generation is impossible

500
The five biomes Canada is predicted to have if our carbon dioxide levels double.
What are tundra, taiga, deciduous forest, grassland, and desert?
500

Guard cells open the stomata because... (think water level)

The water level is high allowing gases to leave the plant