Earth Science
The process of wind, rain, heat or ice weakening rocks.
What is weathering?
What is matter?
What is an energy transfer for a toaster?
Electric to heat and light.
Cutting a banana in half.
Different shapes of land on Earth.
What is landforms?
The result of weathering, moving weathered pieces from one place to another.
What is erosion?
In this state, tiny particles are packed tightly together. The particles jiggle but do not move around.
What is solid?
What is an energy transfer for a television?
Electric to light and sound.
Rust building on a truck.
What percent of the Earth's surface is covered in water?
What is 70%?
The process of leaving things in another area, far from where it came from.
What is deposition?
In this state, the particles are close together with no particular arrangement. The particles vibrate, move, and slide past one another.
What is liquid?
How is a roller coaster an example of potentional energy?
When a roller coaster makes it to the top of a hill and is about to go down the hill, that is potential energy.
When one substance mixes completely with another.
What is solution?
What is the difference between a mountain and a hill?
Pieces of Earth's crust slam together to form a mountain. A hill is formed by the processes of weathering and erosion.
How do fossils tell us about the past?
A fossil can tell about the environment from long ago. It tells us about creatures that lived in the past.
In this state, the particles are very separated with no regular arrangement. The particles vibrate and move freely and quickly.
What is gas?
What is an electrical conductor and give 2 examples.
An electrical conductor is a material in which electricity can flow easily. [penny, scissors, paper clip, bolt, etc.]
When you mix two materials together, but they can be separated again.
A basin is an area of water enclosed by higher land. A bay is a body of water that is partly enclosed by land.
Changes in an ecosystem can affect the animals and plants that live there. Give one example.
One example is a dam being built in a body of water. This changes the habitat of many fish and birds.
What is the Law of Conservation of Mass?
When objects break into smaller pieces, dissolve, or change state, the total amount of matter is conserved.
See drawing.
What is the difference between a chemical and a physical change?
A chemical change cannot be reversed. A physical change is the changing of physical properties of an object.
Answers will vary.