Relative Density
Mass & Volume
Solubility
Magnetism
Conductivity
Classifying Matter
10
If an object is less dense, it _____. However, if an object is more dense it _____.
Floats; Sinks
10
Define mass.
The amount of matter in an object.
10
Define Solubility.
An object ability to dissolve in water.
10
TRUE OR FALSE: All metals are magnetic.
FALSE.
10
Define conductivity.
An objects ability to allow (thermal or electrical) energy to pass through it.
10
Which is not a Physical property of matter?
A Color
B Mass
C Solubility
D Smell
E Relative Density
D Smell
20
*Eli poured equal amounts of water and cooking oil into a jar. The student placed a lid on the jar and shook the mixture for five seconds and then let the jar sit for ten minutes. The results of this investigation are shown.
Which conclusion best compares a property of cooking oil and water shown in this investigation?
A Cooking oil is less dense than water.
B Water is less dense than cooking oil.
C Water dissolves in cooking oil.
D Cooking oil dissolves in water.
A Cooking oil is less dense than water.
20
Define volume.
The amount of space an object takes up.
20
Clara and Hunter mix sugar, water, oil in a cup. Which statement is true about this mixture?
A The oil will evaporate
B The sugar and oil will dissolve
C The sugar will dissolve
D The oil will dissolve
C The sugar will dissolve
20
-Iron Fillings
-Copper Penny
-Steel Paper Clip
All objects above are magnetic except _____.
-Copper Penny
20
*Jillian and Westin are classifying objects. Answering which question will provide the best evidence that an object is a metal?
F What is its mass?
G What is its physical state?
H Does it conduct thermal energy?
J How quickly does it dissolve in water?
H Does it conduct thermal energy?
20
Which Object is a good thermal conductor but is non-magnetic?
A Steel nail
B Penny
C Glass cup
D Iron paper clip
B Penny
30
*Justin & Aubri place objects in a bucket of water to determine if they will float.
Object:
Toothpick. Plastic paper clip, Penny, Cork, Metal spoon, Vegetable oil
Which set of items is less dense than water?
F Plastic paper clip, penny, and cork
G Toothpick, metal spoon, and plastic paper clip
H Metal spoon, vegetable oil, and penny
J Toothpick, cork, and vegetable oil
J Toothpick, cork, and vegetable oil
30
Name a tool used to measure volume?
-Graduated Cylinder
30
Alex and Dante made mix sand and water together. They noticed that the sand was not dissolving , this is because sand is _________.
Insoluble
30
*Paisley conducts an investigation with breakfast cereal. The first four steps of the her 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 Salt
C Iron
D Wheat
C Iron
30
Izzy is cooking soup in a pot. She notices that the metal part of the pot is really hot. However, she is able to grab the plastic handle on the pot without getting burned. The Plastic handle is a good example of a ______ _______.
thermal insulator.
30
*
J
40
What solid is more dense than water but, less dense than the honey?
Grape Tomato
40
What unit of measurement do you use when measuring the mass of an object?
-Grams
40
-Sugar
-Honey
-Oil
-Salt
All are soluble except ________.
-Oil
40
Easton is trying to test which of his items are magnetic. He has a brass key, a cotton ball, a steel nail, a wooden block, and an iron spring.
Which Items are magnetic?
Steel nail; Iron spring
40
Olivia is looking for a good material to cover a set of wires to keep the energy from flowing through. What material would act as a good thermal insulator?
Answer varies: Rubber, Plastic, etc.
40
*
G Sample 2 is made of metal.