Change that occurs in matter that can be reversed.
What is a Reversible or Physical Change?
100
You definitely will not be able to see through me.
What is Opaque?
100
The Sun helps in this process by changing the liquid state to a gas state.
What is Evaporation?
100
I have a definite shape and I take up a definite amount of space.
What is a Solid?
100
In order for water to freeze into ice, this has to be removed.
What is Heat or Energy?
200
Evaporation and Condensation are examples of this.
What is a Reversible or Physical Change?
200
Some solids have this property. It's when you can mold objects into different shapes.
What is Malleability?
200
The water flows through rivers back into the oceans, where it can evaporate and begin the cycle all over again.
What is Collection?
200
I don't have a definite shape and I don't take up a definite amount of space.
What is a Gas?
200
I am used to make tires on cars. I am durable, water-proof and flexible.
What is Rubber?
300
Baking a cake is an example of this.
What is a Chemical or an Irreversible Change?
300
Being ketchup is not easy. It takes a really long time to come out of container. They say I am really high in this.
What is Viscosity?
300
To see "this" in action, put a large piece of cardboard in the freezer for about an hour. Now take the boiling kettle of water and hold the cold book about 1 foot over the spot. Water droplets will form on the book.
What is Condensation?
300
Matter in its most rigid state.
What is a Solid?
300
I am anything that takes up space and has mass.
What is Matter?
400
An iron nail rusting is an example of this.
What is a Chemical Change?
400
This is the known as the ability to float or rise to the top of a liquid or gas.
What is buoyancy?
400
I come in different forms such as: snow, sleet, rain and hail.
What is Precipitation?
400
In my state, the molecules have more room to move than when they are in the Solid state. However, they don't have as much room as when they are in the Gas state.
What is a Liquid?
400
They use me to make Tupperware containers because I am really cheap, and can be molded into different shapes.
What is Plastic?
500
Milk turning sour is an example of this.
What is a Chemical Change?
500
The corn syrup sank to the bottom, and the water rose to the top. The atoms in the corn syrup are more tightly packed than the atoms in the water, so the corn syrup is this.
What is Denser?
500
In the water cycle, I go from being water to water vapour and back to water again.
What is a Physical Change?
500
Most people are familiar with the three states of Matter, but not a lot of people know that I am a state of Matter too!
What is Plasma?
500
If I want to find out the number of particles that make up a substance or how much matter is in a substance, I am trying to find out this.