Weather
Water Cycle
Water
States of Matter
Experiments
100
This is a balloon that carries weather instruments into the sky
Weather balloon
100
This is the process by which water vapor changes into liquid water, usually on a surface
Condensation
100
Ice floats in water. This is because ice is ______ ____________ than water.
Less dense
100
A state of matter that has a definite shape and volume
Solid
100
A _____ slope will cause a drop of water to move downhill quickly.
Steep
200
This is a tool to measure temperature
A thermometer
200
This is what we call rain, snow, sleet, or hail that falls to the ground
Precipitation
200
Cold water does this, which is why it stays at the bottom when it's placed into room temperature water.
Contracts
200
A state of matter with no definite shape but a definite volume
Liquid
200
When we filled a container of water to the top and put it in the freezer, the water _______________, causing the container to open.
Expanded
300
This is an instrument that measures how much rain has fallen in a given amount of time
Rain gauge
300
This is the process by which liquid water changes into water vapor
Evaporation
300
When an object has more mass for its size than another object. When an object sinks in water, it is ________ __________ than water.
More dense
300
A state of matter with no definite shape or volume; usually invisible
Gas
300
A covered wet paper towel will not evaporate because _________________.
The cup is covered and the water cannot escape.
400
This is a weather instrument that measures wind direction
Wind vane
400
This is rain that does not evaporate or soak into the ground
Runoff
400
When particles of water are heated up, they move around a lot, causing the water to ___________.
Expand
400
To change from a liquid to a solid state as a result of cooling
Freeze
400
The wider the opening of the container, the faster the water evaporates. This is because a wide opening means more _____________ ___________.
Surface area
500
This is a weather instrument that measures wind speed with wind-catching cups
An anemometer
500
Water vapor is found in ___________.
The atmosphere
500
The amount of mass compared to the volume
Density
500
The temperature at which water changes to gas
Boiling point
500
A boy goes outside. When he comes inside, his glasses “steam up.” This is because: __ A Both the glasses and the air inside are cold. __ B The glasses are warmer than the air in the house. __ C The glasses are colder than the air in the house. __ D Both the glasses and the air in the house are warm.
C - The glasses are colder than the air in the house.
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