Vocabulary
Mass
How can a mixture of iron filings and sand be separated?
A. By placing the mixture in water
B. By using a magnet
C. By performing a chemical reaction
D. By heating the mixture
B. By using a magnet
What does it mean when someone says "Relative" density?
the density of an item compared to water.
What does it mean when something has magnetism?
It is magnetic.
What is a conductor?
What is an insulator?
A conductor allows the flow of heat/ electrical energy.
An insulator blocks the flow of heat/ electrical energy.
What is matter?
anything that has mass and takes up space
STUFF
What are the differences between a mixture and a solution?
Mixture- easily separated, physical properties do not change
Solution- not easily separated, physical properties do change
A teacher puts five different colored liquids in a graduated cylinder. The liquids separate into different layers by color. Then the teacher puts a ball into the graduated cylinder. The ball floats in the third layer. What can be said about the density of the ball?
A. The density of the ball and the densities of all of the liquids are equal.
B. The density of the ball is less than the density of the liquid in the top layer.
C. The density of the ball is equal to the density of the liquid in the middle layer.
C. The density of the ball is equal to the density of the liquid in the middle layer.
What tool do you use in order to test magnetism?
Magnet
Name 2 Conductors of electrical energy
Name 2 insulators of electrical energy
Iron nail, paper clip, aluminum foil... answers may vary
plastic, wood, rubber... answers may vary
What does soluble mean?
If something can dissolve.
What happens when salt water is heated?
The water is evaporated and the salt is left in the beaker.
The weight of an object determines if it will sink or float.
What it is made out of.
The amount of matter in the object.
Are all metals magnetic? Give an example.
No, not all metals are magnetic.
Aluminum foil, copper (Penny)
Mrs. Brown’s students were classifying materials based on physical properties. Their results are recorded in the table. Based on the data, which of the following statements is true?
https://docs.google.com/document/d/19rQOa9GuPPG1GCwDukPQtHZGEjf0YdYBbPA_gF3nKCc/edit
F
What are the physical properties of matter we have talked about?
Hint: There are 7
Mass, Magnetism, Physical State, Relative Density, Solubility, Conduct, and Insulate
Which of these might cause sugar to dissolve at a faster rate.
A. Stirring the sugar in water
B. Pouring the sugar in warm/hot water
C. Pouring the sugar a little at a time
B. Pouring the sugar in warm/hot water
Compare the relative densities of a diet soda and a regular soda based on the picture.
Diet soda is less dense than water
Regular soda is more dense than water
A cardboard box contains a variety of materials—an iron nail, an aluminum pie pan, a drinking glass, a plastic ruler, a rubber band, and a Styrofoam cup. Based on what you know about the items’ physical properties, all of the materials could be classified as -
A. solids.
B. good insulators.
C. good electrical conductors.
D. good thermal energy conductors.
A. solids.
A cardboard box contains a variety of materials—an iron nail, an aluminum pie pan, a drinking glass, a plastic ruler, a rubber band, and a Styrofoam cup. Based on what you know about the items’ physical properties, all of the materials could be classified as -
A. solids.
B. good insulators.
C. good electrical conductors.
D. good thermal energy conductors.
A. solids.
What physical properties change if you cut a rubber bouncy ball in half?
What physical properties stay the same if you cut a rubber bouncy ball in half?
Change: shape
Stay the same: density, physical state, insulator
answers may vary
Which of the following is the best example of a mixture in which all the ingredients keep their original properties?
A. salt mixed with pepper
B. sugar dissolved in water
C. coffee grounds boiled with water
D. baking soda mixed with vinegar
A. salt mixed with pepper
An adult was asked to compare the masses of three balls that were all the same size but made of different materials. The adult used a balance to compare the masses of two balls at a time. The adult repeated this process another time with a different pair of balls and recorded observations.
Which list shows the balls in order from greatest to least mass?
https://docs.google.com/document/d/19rQOa9GuPPG1GCwDukPQtHZGEjf0YdYBbPA_gF3nKCc/edit
C. Balls B, A, C
Which of the following is not magnetic?
A. Iron Nail
B. Paper clip
C. Penny
D. Binder Clip
C. Penny
Draw a simple circuit including a battery, a light bulb, and a conductor.
Answers may vary.