Physics
Which light produces heat?
incandescent
Which country emits the most carbon dioxide per person
United States
What is the chemical name for the symbol Ni?
Nickel
How many chromosones are in human cells?
46
What is a bioluminescence light?
Light produced by a living organism
True or false, reducing beef in your diet is better for the enviroment
True
In this reaction a substance changes colour and a burning smell is released
A chemical reation
What is the process of cell division
Mitosis
Which mirror is used by dentist
Concave mirror
Name 2 extinct animals
Dodo bird, Tasmanian tiger, passenger pigeon
What is the atomic number of carbon
6
What is the phase called when the pairof sister chromoszones allign in the center of the cell
Anaphase
What type of lenses do human eyes have?
Convex
How many inches has Venice sunk in the past 100 years
9 inches
What is the number of protons in calcium
20
Are the centrioles outside or inside the nuclear membrane
Outside
A light ray has an angle of incidence of 34º. The reflected ray will make what angle with the reflecting surface?
56º
How many degrees has the earth warmed up since the 1880s?
About 2 degrees fahrenheit
List 4 indications of a chemical change
colour change, gas is produced, smell is produced, temperature change, electrical energy is produced
What are the 4 phases in order
prophase, metaphase, anaphase, telophase