Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
Concept 2.1
0
%
0
0
0
Back
Restart
Put true or false (3) No spaces are left between railroads tracks.
False
Oops!
Okay!
choose the correct answer
c. Gas
Oops!
Okay!
Put true or false (2) When a liquid is cooled, it may change into gas.
False
Oops!
Okay!
(3)
e. is a mixture of rock, sand and water
Oops!
Okay!
Put true or false (4) Metals such as iron and copper allow heat to transfer through them freely.
True
Oops!
Okay!
choose the correct answer
a. expand
Oops!
Okay!
Arrange the three states of matter ( Solid - Liquid - Gas) in a descending order according to the force holding molecules together.
1) Solid 2) Liquid 3) Gas
Oops!
Okay!
choose the correct answer
b. heat transfer from the sand to your feet.
Oops!
Okay!
(2)
A. is a mixture of iron and other elements
Oops!
Okay!
It changes from solid state to liquid state
Oops!
Okay!
choose the correct answer
c. Equal to
Oops!
Okay!
Because they are metals that allow the heat to transfer through their particles.
Oops!
Okay!
Put true or false (1) when mixing two substances with the different temperature, their avverage temperature is lower than their final temperature.
False
Oops!
Okay!
(1)
B. Light up in the dark
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies