Mixtures & Solutions

A _________ is a special kind of mixture where one substance is dissolved in another.

• solution

• mixture

• balance

• beaker

When salt dissolves in water _____________.

• the salt is still there (the salt is still present)

• the salt goes away (the salt is absent)

• the salt becomes a solid

• the salt evaporates

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When sugar dissolves in water ____________.

• the sugar retains (keeps) is property of taste and stays sweet

• the sugar loses its property of taste and stops being sweet

• the sugar becomes a solid

• the sugar evaporates

Tags

NGSS.MS-PS1-2

A solution, such as saltwater, ______ a mixture.

• is

• is not

All solutions, such as saltwater and Kool-Aid, are mixtures.

• true

• false

All mixtures, such as fruit salad and saltwater, are solutions.

• true

• false

A screen can be used to separates a mixture of similar (same) size pieces. For example, a screen can be used to separate a mixture of sand and salt.

• true

• false

A coffee filter can remove the salt from a saltwater solution.

• true

• false

A coffee filter can remove the sand from a mixture of sand and water.

• true

• false

To remove the water from a saltwater solution, you should ______________.

• evaporate the water

• use a coffee filter

• use tweezers

• use a magnet

Tags

NGSS.MS-PS1-4