Formative Test:
Direction: Write the observable characteristics of the given materials in the table Materials Observable Characteristics (ex. Hardness, color, malleability, texture, shape etc.)
A. Solid
Rock/stone
Rock salt
Piece of glass/mirror
Rubber band
Copper wire
Block of wood
B. Liquid
Water
Ink
Rubbing alcohol
Vinegar
C. Gases
Inflated balloon
Share
Answer:
Rock/stone
hard, rough, gray, assymetric shape, not malleable
rock salt
grainy, hard, white, not malleable
glass/mirror
shiny, transparent/refractive, smooth, flat, not malleable
rubber band
elastic, smooth, soft
copper wire
shiny, smooth, bronze, malleable, hard
block of wood
hard, flat, smooth, brown, not malleable
water
clear/transparent, liquid
ink
black, liquid, gooey
alcohol
clear/transparent, liquid
vinegar
cloudy white, liquid
balloon
shiny, smooth, soft, elastic
Explanation:
no explanation needed