Change
Change is when something is ________________than it was before.
Different
Change takes place when people find ______________to problems.
Solutions
The first step to identifying a solution is to ___________________________________________.
Identify the problem.
Changes that make things easier are known as_________________ effects.
Positive
A resource that never runs out.
Renewable resource.
A change in nature that happens over many years such as mountains becoming smaller is known as...
Erosion
People looked for a different way to travel besides using horses because this method of travel was too______________.
Slow
The second step to finding a solution is to ___________________________________________.
Make observations and identify facts.
Changes that are bad for people, animals, and plants are known as_____________ effects.
Negative
Two types of energy that have fewer negative effects.
Wind and solar power.
This natural event can cause a change to happen very quickly to our shoreline.
Hurricane
These two travel inventions were a much faster way to travel.
Trains and automobiles.
The third step to finding a solution is ________________________________________.
Find solution.
This is a positive effect of traveling by train or automobile.
Traveling is faster.
A negative effect of wind power.
Birds and bats can be harmed by the windmills.
This change in nature is temporary and occurs four times a year.
Seasons
This material was used for heat and to make steam power, but used too much of the material.
Wood.
The fourth step to finding a solution is to __________________________________________.
Prove new fact.
This is a negative effect of traveling by train and automobile___________________________________.
Pollution
The term used when describing something that comes from two different sources.
Hybrid.
We can record certain changes in nature such as elevation and precipitation using_____________ and ____________________________.
Time and measurement
____________ and ___________ were better choices than wood to make energy.
Coal and oil.
Samuel Morse invented a solution to how slowly messages were sent when he invented___________________________________.
Morse Code.
This is harmful to the soil, water, and air.
Pollution
The hybrid car uses both __________________and __________________________ to power the car.
Gasoline and electricity.