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WorksheetsUnit 1 Matter: Lesson 2 & Lesson 3
Total questions: 30
Worksheet time: 23mins
The way something looks, feels, smells, and tastes are physical properties.
True
False
Ability of material to be molded or pressed into a different shape:
solubility
malleability
density
state
Ability of substance to dissolve into another substance:
magnetism
malleability
solubility
appearance
Solids, liquids, gases are:
United States
The Only States
Physical States
Chemical States
What does NOT change in physical properties:
shape
size
substance
stature
Thermal conductivity is...
the ability of material to conduct a large amount of electric current.
the ability of material to transfer heat.
the ability of material to change shape.
the ability of material to add or lose weight.
Temperature at which a solid changes to a liquid:
boiling point
hot point
melting point
cold point
Temperature at which a liquid changes to a gas
boiling point
hot point
melting point
cold point
The apple is sweet. What property of matter is sweet?
Taste
Odor
Temperature
changes affecting the form of a chemical substance, but not its chemical identity.
What is a chemical change?
How two chemicals react with one another when combined
A property that we can measure or observe with our 5 senses or other tools
When two chemicals react with one another to form a new substance
When a change occurs but it does not result in the formation of a new substance
A student mixes yellow powder with water. Which observation would prove a CHEMICAL change occurred?
The powder DISSOLVED in the water
The water turned the COLOR yellow
The bag's TEMPERATURE changed
The STATE OF MATTER changed
Which of the following examples provides evidence of a PHYSICAL change?
Wood is burned and releases ash and smoke
Iron rusts over time
When mixed, baking soda and vinegar form gas bubbles
Boiling water bubbles when heated
Which of the following options provides evidence of a CHEMICAL change?
Wood is burned releasing ash and smoke
Rocks separate when soil is sifted
Boiling water bubbles when heated
Salt dissolves in water
Which observations prove a chemical change occurred ?
Dissolving and expected color change
Mixing and dissolving
State of matter change and boiling water bubbles
Unexpected color change and temperature change
When mixing milk and vinegar, a white, chunky, solid substance is formed. What has occurred?
Physical change: state of matter
Chemical change: precipitate
Physical change: freezing
Chemical change: rust
You mix two liquids together, bubbles form and the temperature decreases. This is a....
Endothermic chemical change
Exothermic chemical change
Physical Change
You mix a red liquid and a white solid together. They turn yellow and the temperature increases. This is a...
Endothermic chemical change
Exothermic chemical change
Physical Change
You mix a yellow powder and a clear liquid. The liquid turns light yellow and the powder seems to disappear. This is a...
Endothermic Chemical Change
Exothermic Chemical Change
Physical Change
