renewable resources and motion
scientific
light and sound
rocks
mystery
100
The wise use of natural resources so they arent used up too quickly
What is conservation
100
The part of an experiment you change
What is the variable
100
The bending of light waves
What is refraction
100
The carrying away of soil by wind or water
What is erosion
100
A change that can be reversed or returned to its orginal state, or no new substance is created.
What is physical change
200
a donkey, people and chicken are these type of resources
What is renewable resources
200
An experiment must be done this many times to be considered valid
What is 3 times
200
Sound travels through this state of matter the best
What is a solid
200
Breaking down of rocks into chunks by wind or water
What is weathering
200
An irregular or oval shaped orbit.
What is an elliptical orbit
300
coal, oil, and gas are these types of resources
What is nonrenewable
300
An educated guess
What is a hypothesis
300
The faster a sound vibrates this becomes higher
What is pitch
300
These rocks form by pieces of rocks being cemented together
What is sedimentary rocks
300
This is how many time zones exist in the world
What is 24
400
A force that stops the motion of an object
What is friction
400
The part of the experiment that remains the same
What is control
400
When light waves bounce off of a flat surface
What is reflection
400
A diamond is this type of rock it forms from hot lava and magma as it cools
What is igneous rocks
400
What time zone is missing Eastern, Central, and Pacific
What is Mountain time zone
500
This shows how energy flows through an ecosystem
What is a food chain
500
state the problem, gather information, hypothesis, experiment, record and analyze date, and conclusion
What is the steps of the scientific method
500
Sounds travel poorly through this state of matter
What is air
500
These rocks form by heat and pressure they change from one type of rock to this type
What is metamorphic rock
500
Your weight changes depended on the pull of gravity but this does not change
What is mass