Properties of Matter
Mixtures & Solutions
Separating Mixtures and Solutions
STAAR Questions
100
What is matter?
Anything that has mass and takes up space
100
Two or more substances mixed together that can be easily separated
Mixture
100
What tool can separate large solid pieces from a liquid?
➡️ Strainer or filter
100
A student classified the objects into two groups based on their ability to conduct thermal energy.
What item would complete the chart?
A. Iron B. Graphite
C. Wood D. Aluminum
Wood
200
Which tool would you use to measure the mass of an object?
➡️ Balance or scale
200
A type of mixture where one substance dissolves in another
Solution
200
True or False: Solutions can be easily separated.
False
200
A student is conducting an investigation using different objects in water to compare density. Each object is placed in a beaker that contains the same amount of water.
We can see that Object #2 is _______________.
Hint: Density
Less Dense than Water
300
A rock sinks in water while a piece of wood floats. What property is causing this difference?
➡️ Density
300
What do we call the substance that gets dissolved?
Solute
300
How can you separate salt from salt water?
Evaporation
300
A student wants to classify four different objects based on physical properties. The student uses the questions shown in the table to test each object.
Which material is the Styrofoam cup?
Object #3
400
Cotton, Wood and Rubber are all grouped together because they are all _____________.
Insulators
400
Cereal, Fruit Salad, Trail Mix are all examples of_________.
Mixtures
400
Why can we separate a mixture of Iron fillings, sand and water with a magnet?
Iron Fillings are magnetic
400
A student puts four objects in a bucket filled with water. The objects are listed below.
- Plastic ball
- Glass marble
- Metal paper clip
- Wood block
Which two objects are most likely less dense than the water?
Wood block and plastic ball
500
Oceans, Lakes and Rivers are polluted with plastic bottles. rubber tires, ect. These things are all________________.
Hint: Dissolve or Don't Dissolve
Insoluble
500
In a solution, Water is the__________.
Solvent
500
A student pours 14 grams of sugar into a jar filled with 500 grams of water. After the sugar is dissolves, the student leaves the jar outside and the water evaporates.
How many grams of Sugar will be left after the water evaporates?
14 grams
500
A student is conducting an investigation using different objects in water to compare density. Each object is placed in a beaker that contains the same amount of water.
List these objects from Most Dense to Least Dense:
Object 3, Object 1, Object 2