Scientific Method/Measurement
How many independent variables should there be in a properly controlled experiment?
1
When looking at rock layers, is the top layer or bottom layer older?
bottom
What type of boundary is formed when plates separate?
divergent
An air mass with the symbol cP would bring what type of weather?
dry and cold
What are lines of latitude are parallel to?
equator
A sample of an unknown substance was determined to have a density of 20.0 g/cm3. What would be the density of each piece if it was cut into two equal portions?
20.0 g/cm3
Which physical property of a mineral is being tested when its scratched by a penny?
Hardness
how does a volcanic eruption cause climate change?
Ash blocks sunlight
An air mass with the symbol mP would bring what type of weather?
wet and cold
What is a fixed place on the Earth’s surface where direction can be determined called?
reference point
Which instrument could be used to determine the volume of an irregularly shaped solid?
graduated cylinder
Which of the following is NOT one of the main classes of rock?
1) igneous
2) sedimentary
3) volcanic
4) metamorphic
volcanic
Describe the movement of plates during subduction
movement of one tectonic plate under another
What do the numbered lines on a weather map connect?
areas with the same air pressure
A rock formed when an existing rock is changed by heat and pressure
Metamorphic rock
What is the definition of control group?
The part of the experiment that remains the same throughout the experiment
What property of minerals is being tested when you look at the color of the powder it leaves behind after being scratched on a ceramic tile?
streak
The core consists mainly of what element?
iron
What causes a sudden change in the weather at a certain location?
the arrival of an air mass
Limestone is a sedimentary rock and marble is a metamorphic rock. Even though limestone and marble have the same chemical makeup, they are classified as different rocks. Why?
They were formed by different methods
What is the definition of volume?
The amount of space an object takes up
How can you tell if an igneous rock cooled quickly?
The crystals are very small.
When looking at a cross section of rock layers in Earth, what are the forces causing the rock layers to do?
Ms. Bovè will draw it
fold
What is wind speed measured with?
anemometer
What type of rock forms when magma cools and solidifies?
Igneous