A combination of two or more materials is called a..

• mixture

• solution

• property

• substance

What are some physical properties of matter

• smell

• taste

• magnetism

• all of the above

What is the best tool to separate sand and gravel?

• sieve, strainer or screen

• magnet

• hands

• water for floater and sinker

To separate plastic and iron beads what should be used?

• strainer or sieve

• hands

• magnet

• floater sinker

Which is the best method to separate glass from plastic beads?

• floaters sinkers (water)

• magnet

• screen

• hands

What property are they using to separate in this image?

• floaters

• size

• smell

• magnetism

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What tool would you use to separate this by size?

• sieve, strainer or screen

• magnet

• tweezers

• hand lens

If Roy has two spoons they are painted the same but one is made of iron (metal) and the other one is made of wood, how could he know which is the iron?

• use a magnet to attract iron

• smell them iron smells better

• taste them to see which is sour

• put them in water iron floats

What is this method of separation?

• magnetism

• floaters and sinkers (density)

• hand

• sieve, screen

What is the easiest way to separate this?

• using a magnet

• using a sieve or a strainer

• using tweezers

• using your hands