Vocabulary
When you combine two or more substances together.
Mixture
Which mixture could be separated easily by pouring it through a paper towel?
A. Milk and Water
B. Sand and Water
C. Salt and Water
D. Juice and Water
B.
What can use to separate trail mix?
Your hands
In a mixture, what doesn't change?
The object physical properties
Check the powerpoint
F
Seperate
To divide or keep apart
A mixture of sugar and water is different from a mixture of sand and water because when sugar is mixed with water, the sugar –
dissolves but the sand does not.
What tool can you use to measure mass?
The triple beam balance
Ms. Lewis dropped 2 balls into a bucket of water. Ball 2 floated while ball 1 sunk. What does that say about the density of the ball 2?
It has a lower density.
What state of matter is a ice cube?
A solid
What is a solution?
A special mixture, where a substance is spread out evenly throughout another substance.
A mixture that you cannot see the separate parts and becomes a new substance.
Check Powerpoint
A mixture
What tool would we use to separate rocks and sand?
A student is measuring the physical properties of an object. The student notices the object doesn't have a fixed shape or volume and it flexible. What is the state of this object?
Gas
What two sides of a magnet repel?
North and South
What does dissolve mean?
To spread out evenly in a liquid
One group of students mixed salt with warm water. Another group mixed sugar with warm water. How are the mixtures the same? In both mixtures —
The solid dissolved in the mixture.
What tool can we use to separate the mixture of paper clips and marbles?
A magnet
Look at Powerpoint
F
Mass, volume, texture, size, shape, color, state of matter, magnetism, and the ability to sink or float are all examples of
Physicals Properties
What is another name for a solution?
A homogenous mixture
The air we breathe is an example of a solution. What type of solution is it? Explain.
A Liquid-Liquid
B Gas-Gas
C Liquid-Solid
D Gas-Solid
E Gas-Liquid
gas-gas solution
How can we separate salt water?
Evaporating the water
Mr. Myers was finding the volume of an pencil. He filled the graduated cylinder with 15 ml of water. Then he dropped the pencil into the graduated cylinder. He read the graduated cylinder at it was 21ml. What is the volume of the pencil?
6 mL
What are the physical properties of a liquid?
In terms of volume, rigidness (Is it rigid or flexible) and shape?
A liquid is
-flexible
- Has fixed volume
-Take the shape of the container.