Mixtures and Solutions
True or False: A snack mix is a solution because you can see all its parts.
What is false?
Ice is this state of matter.
What is solid?
A magnet will attract best to objects made of this metal.
What is iron, steel, nickel, or cobalt?
A property we can observe with our eyes, like color or size, is called a ___ property.
What is a physical property?
Water is what state of matter at room temperature?
What is liquid?
When sugar seems to “disappear” in water, we say it ___.
What is dissolve?
Juice is this state of matter.
What is liquid?
What happens when you put the north pole of one magnet near the south pole of another?
What is attract?
If an object sinks in water, it is ___ than water.
What is heavier/more dense?
Trail mix is a mixture you can separate by ___.
What is picking the pieces out by hand?
When you stir salt into water, what do you get?
What is a solution?
Air is mostly this state of matter.
What is gas?
What happens when you put the north pole of one magnet near the north pole of another?
What is repel?
If an object floats in water, it is ___ than water.
What is lighter/less dense?
What do we call the pull of a magnet?
What is magnetism?
Which one can be separated with a seive: sand in water, or salt in water?
What is sand and water?
Which state of matter has its own shape?
What is solid?
A material like metal that lets electricity pass through is called a ___.
What is a conductor?
When sugar disappears in water, this property is shown.
What is solubility (able to dissolve)?
Plastic is an example of an ___ (conductor or insulator?).
What is an insulator?
If you leave a cup of saltwater outside in the sun, what will be left after the water evaporates?
What is salt?
When a solid turns into a liquid, what do we call the change?
What is melting?
A material like rubber or wood that does not let electricity pass through is called a ___.
What is an insulator?
When you crumple a piece of paper, you change its shape but not what it is. This is a ___ change.
What is a physical change?
You pour oil and water into a glass. What happens?
What is they don’t mix / the oil floats on top?