Chemistry
Optics
Biology
100
Change in colour, formation of gas, formation of precipitate, odor change
What is chemical change?
100
S: larger
A: inverted
L: behind C
T: real
100
What is connective tissue?
200
Which is ionic compound
(a) NH3
(b) PbSO4
(c) C6H12O6
(d) OCl2
what is (b)
200
Glow in the dark sticker <what type
-absorbs light energy (UV), stores it, emits it for a long period of time.
What is phosphorescence?
200
-organ system that is made up of the nose, mouth, trachea, bronchi, and lungs
-provides oxygen for the body and allows carbon dioxide to leave the body
what is respiratory system?
300
a bond that results from the haring of outer electrons between non-metal atoms
what is a covalent bond
300
the process of producing light by passing an electric current through a gas (Ex. lightning, neon sign)
electric discharge
300
environmental factors that cause cancer
-ex. nicotine smoke, UV radiation
What is carcinogens?
400
A chemical reaction in which an acid and a base react to form an ionic compound (a salt) and water, the resulting pH is closer to 7
what is a neutralization reaction?
400
an image formed by light coming coming from an apparent light source; light source is not arriving at or coming from the actual image location
what is virtual location?
400
Second stage of mitosis
-chromosomes line up in middle of the cell
What is metaphase?
500
True or false: The reaction of hydrochloric acid and potassium hydroxide is an example of both neutralization reaction and a double displacement reaction
True
500
mirror shaped like the outside of of a sphere. The inside of the half globe is reflective
Concave mirror
500
A tumour that interferes with the functioning of surrounding cells; a cancerous tumour
What is a malignant tumour?