Vocab
Multiple Choice
Fill in the blank
Matter in everyday life
100
A combination of two or more substances
Mixture
100
Students conduct an investigation with breakfast cereal. The first four steps of the students’ investigation are in the table shown. Breakfast Cereal Investigation
1. Grind 50 grams of cereal into a fine powder.
2. Stir the cereal powder into 500 milliliters of warm water.
3. Hold a magnet against the side of the beaker at the 250-milliliter mark.
4. Stir the mixture for three minutes.
The students are trying to determine the presence of which substance in the cereal?
A Sugar
B Iron
C Salt
D Wheat
B iron
100
Texture and __________ are examples of physical properties.
weight
100
Trail Mix is an example of what?
Mixture
200
The measure of the amount of matter in an object
Mass
200
Some ways to separate mixtures are listed below. Ways to Separate Mixtures
1. Boil the mixture to evaporate the water
2. Pass a magnet over the mixture
3. Pour the mixture through a paper filter
4. Use tweezers A student is given a beaker containing gravel and water.
Which of these ways could the student NOT use to separate the gravel from the water?
A 1
B 2
C 3
D 4
B 2
200
Plastic, rubber, __________, glass, and air are good thermal and electrical insulators.
Wood
200
A rock, water, and air are examples of what?
States of Matter- Solid, liquid, gas
300
Substances that have the ability to move thermal (heat) energy or electrical energy easily
Conductors
300
Before mixing sugar into hot tea, a student recorded the observations shown in the table.
Which physical property of the sugar will stay the same after the sugar is mixed with the hot tea?
A Color
B Texture
C Mass
D Shape
C Mass
300
As water changes from one state to another, its ___________ changes.
Density
300
ships floating on water is an example of what?
Density
400
The mass per unit volume of a substance; on earth, mass is almost the same as weight
Density
400
A student is asked to design a sleeve for a cup that will insulate thermal energy and not feel hot to the touch when the cup is filled with hot liquid.
The student has four materials to choose from. Which of these materials is least useful as an insulator?
A Cardboard
B Aluminum
C Rubber
D Plastic
B Aluminum
400
Solid matter is rigid, it has a definite shape and _________.
Volume
400
The sleeve on a coffee cup is an example of what?
An insulator
500
Describes a substance that will dissolve in water
Water-soluble
500
A student combined powdered paint with water to make a small amount of a blue liquid paint mixture. The student left the paint mixture in an open container. Several days later the student found the container and observed that changes had occurred. What most likely happened to the mixture?
A The container was empty after the mixture evaporated into the air.
B The paint evaporated, leaving only clear water in the container.
C The water evaporated, leaving only a dry blue solid in the container.
D The liquid paint mixture was lighter in color after some water evaporated.
C The water evaporated, leaving only a dry blue solid in the container.
500
If you mix salt and pepper into pure warm water and stir it then you will notice that salt is ______________ so you can no longer see it.
Water-soluble
500
Dissolving sugar in coffee is an example of what?
Solubility