Have fixed shape and volume
solid
How can you fix a melting ice cream to get it back to its original cold state?
freeze it in fridge
liquid to gas: evaporation or condensation
evaporation
Pepper is an example of a substance that is __________________ in water. A.soluble B.insoluble C.dissolves D.None of the above
B
Smallest unit of matter
atom
Elise wants to classify matter based on a physical property. She uses a triple beam balance. What property is she measuring? A.volume B.color C.density D. mass
mass
Annie put some oil into water and made an observation. A. Oil will be dissolved in water B. Oil will not be dissolved in water
B
Which state of matter has the highest kinetic energy ?
Gas
Which of the following changes is Chemical? A) Melting of ice B) Baking of cake C) Breaking of glass D) both (a) and (b)
B
fizz in cold drinks: what gas is it?
carbon dioxide
What is it called when a gas becomes a solid? Sublimation or evaporation
Sublimation
The diagram given below depicts which of the processes of the change of state of matter?
condensation
Gas insoluble in water.
Hydrogen
Which of the following can be compressed easily? A) A block of wood B) A glass of milk C) Balloon filled with air D) All of these
c
Which state has molecules very tightly packed?
Solid
If the molecules of a substances are able to move very freely, what state is it in?
Gas