Walker is testing which fertilizer will grow the tallest grass.  The fertilizer is the __ variable.

• dependent
• independent
• constant

Where is potential energy the GREATEST on a roller coaster?

• top of the hill
• bottom of the hill
• there is no potential energy
• 1/4 way down the hill

Which of the following is an example of qualitative data?

• 25 grams
• 6 electrons
• 18"
• yellow flower

What instrument is used to measure humidity?

• psychrometer/hygrometer
• barometer
• thermometer
• rain gauge

On a weather map, a blue line with blue triangles indicates a __ front.

• cold
• warm
• occluded
• stationary

The air pressure is HIGH, temperature is 80 degree F, and the humidity is 35%.  What is the weather like?

• snow
• rainy
• stormy
• sunny

A barometer measures __.

• temperature
• air pressure
• humidity
• amount of rain

Which temperature is water in the liquid state?

• -5 degrees C
• 15 degrees F
• 18 degrees C
• 5 degrees F

What is the charge of an electron?

• negative

• neutral

• positive

The Atomic Number gives us the charge of the __ and the __.

• proton, neutron
•  neutron, electron
• proton, electron
• neutron only