sci vocab unit 1 2 test

Question 1

mass per unit volume

Answer 1

density

Question 2

to make a solution by mixing a solid with a liquid

Answer 2

dissolve

Question 3

a reasonable explanation

Answer 3

logical

Question 4

two or more atoms joined together, and the smallest particle of a compound

Answer 4

molecule

Question 5

a characteristic of a substance that can be observed and measured without changing the identity and composition of the substance. ie. Phases of matter, solid, liquid, gas.

Answer 5

physical property

Question 6

the change in a measured value per unit of time.

Answer 6

rate

Question 7

the amount of solid that will dissolve in a given amount of liquid at a given amount of time

Answer 7

solubility

Question 8

a mixture of two substances in which the solid breaks down into the smallest particles of the substance. they are clear, and each substance retains its original chemical and physical properties.

Answer 8

solution

Question 9

the elastic like force of attraction between liquid molecules that allows the liquid to form beads on a surface

Answer 9

surface tension

Question 10

is the resistance of liquid to flow it is a property that depends on the size of the molecules, the forces of attractions, and the temperature

Answer 10

viscosity