Mixture or Solution
Tacos are an examples of this.
What is a mixture?
These are the three states of matter.
What are solid, liquid, and gas?
This is all the water on earth's surface.
What is the hydrosphere?
Ripping paper is an example of this change.
What is a physical change?
This is where all rivers start.
What is the source?
What is a solution?
This is what you need to add to a solid to make it a liquid.
What is energy in the form of heat?
This is all the gases surrounding Earth.
What is the atmosphere?
Fire is an example of this change.
What is a chemical change?
This is where all rivers end.
What is the mouth or the delta?
This is how to separate a mixture of sand and water.
What is filter paper?
A bag of chips has a mass of 75 g. They get crushed. How does that change the mass of the chips?
What is the mass stays the same?
What are evaporation, condensation, and precipitation?
The release of gas and bubbles is an indication of this type of change.
What is a chemical change?
This is where our freshwater comes from.
What are glaciers and underground aquifers?
This is how to separate a salt water solution.
What is evaporation?
Sugar was added to water and it disappeared. This is what happened to it.
What is dissolved?
A puddle disappeared. Which part of the water cycle does this represent?
True or false: Generally, physical changes can be reversed, while chemical changes cannot.
What is true?
There is more __________ water than ________ water on Earth.
What is salt water and fresh water?
True or false: All solutions are mixtures, but not all mixtures are solutions.
True
Color, magnetism, shape, and size are examples of this change.
What are physical changes?
What is condensation?
These are the changes when an apple is cut and it starts to turn brown.
What are physical and chemical changes?
This is the force that makes rivers flow down.
What is gravity?