WorksheetsChemical Interactions practice (12/3)
Total questions: 28
Worksheet time: 1hrs 2mins
In its gas phase, water is called ______________
Ice
Water vapor
Hydrogen
Carbon dioxide
What happens to the particles in a cup of cold juice as it warms up to room temperature?
The space between the juice particles decreases
The size of the juice particles increases
The space between the juice particles increases
The size of the juice particles decreases
When a liquid is heated, the particles:
Move faster
Take up more space
Move slower
Take up less space
When a liquid is cooled, the particles:
Stop moving
Slow down
Speed up
Move closer together
True or false: Gold is solid at room temperature.
True
False
True or false: Hydrogen is liquid at room temperature.
True
False
What is the most abundant element in the sun?
Gold
Helium
Hydrogen
Nitrogen
At room temperature, an air particle can travel the distance of _____ football field(s) in a single second.
1
2
3
4
A student filled a syringe with water and left it by the sink in the sunshine. Ten minutes later she saw a little puddle of water under the syringe tip. She said, This syringe must be broken. It's leaking. But the syringe wasn’t broken. What do you think caused the little puddle of water to appear under the syringe tip?
Which of the following are properties of a solid?
Definite volume
Definite shape
No definite volume
No definite shape
Which of the following are properties of a liquid?
Definite volume
Definite shape
No definite volume
No definite shape
Which of the following are properties of a gas?
Definite volume
Definite shape
No definite volume
No definite shape
Two room-temperature substances are mixed together, and the mixture becomes cold. Does this scenario describe a chemical reaction?
Yes
No
When pressure is released by opening a soda can, the liquid inside begins to bubble. Does this scenario describe a chemical reaction?
Yes
No
A student bends a glow stick to mix materials, and it produces light. Does this scenario describe a chemical reaction?
Yes
No
A student leaves a clear liquid substance out on the counter. In the morning, only a white solid remains. Does this scenario describe a chemical reaction?
Yes
No
A student trapped air inside a syringe (illustration A). She pushed the plunger down (illustration B). What happened to the particles when she pushed the plunger down (B)?
The air particles move closer together.
The air particles move farther apart.
There are more air particles in the syringe.
There are fewer air particles in the syringe.
When you ____________ a substance, the particles are physically pushed into a smaller space.
contract
compress
expand
When a substance __________, the kinetic energy of the particles decreases as the substance cools, and the particles move closer together.
contracts
compresses
expands
What is the difference between compression and contraction?
The diagram in the picture represents a thermometer. Which idea best explains how this thermometer works?
A liquid changes to a gas when heated.
A gas changes to a liquid when heated.
A liquid contracts when heated and expands when cooled.
A liquid expands when heated and contracts when cooled.
The chemical formula for vitamin C is C6H8O6. Which of the following elements are found in the chemical formula?
Carbon
Calcium
Helium
Hydrogen
Oxygen
Is air matter? Does it have mass and take up space?
Yes, air is matter
No, air is not matter
What is kinetic energy?
Energy of light
Energy of sound
Energy of motion
Energy of food
The illustration shows a bottle system at room temperature. If you turn the bottle system upside down and heat it up, what will happen?
the water will expand, taking up more space in the tube
the water will contract, taking up less space in the tube
the water will immediately spill out of the tube
A (a) is the smallest piece of any substance.
Which of the following are made of particles?
Empty space
Solids
Liquids
Gases
The atmosphere is filled with air. The air is made of gas particles. Which of the following gas elements is the most abundant in the air?
Oxygen
Hydrogen
Carbon
Nitrogen
