Tools
The tool that measures temperature
Thermometer
the number of seasons on Earth
4
Plants need to breathe in this gas to photosynthesize
What is carbon dioxide
Humans get carbon into their bodies through...
What is from the food we eat
An independent variable is the variable that
What is changes
The tool that measures wind direction
Compass or wind vane
The date of the longest day of the year in the Northern Hemisphere
What is June 21
Plants breathe out this gas which helps us
What is oxygen
Humans get the nitrogen we need through...
What is through the food we eat
In order to have a "fair test" all the other variables, except the independent variable, have to remain...
The same or constant
This tool measure air pressure
Barometer
The longest day of the year in the southern hemisphere
What is December 21
Plants photosynthesize in order to make...
What is to make their own food
In a food pyramid, these organisms are the most plentiful (a lot)
What are plants
When graphing, usually the x-axis is which variable?
What is the independent variable
This tool measures humidity
Hygrometer
The place on Earth that always has 12 hours of day and night
What is the equator
Transpiration is what pants do to release this
What is water
We breathe this gas out that plants need
What is carbon dioxide
With graphing, the y-axis is usually which variable?
What is the dependent variable
This tool measure wind speed
Anemometer
The place on Earth that has 24 hours of darkness on December 21
What is the North Pole
Plants need this, besides water and carbon dioxide, to photosynthesize
The sun
A food chain shows the flow of ....
Energy
The dependent variable "depends" on what other variable?
What is the independent vaariable