You Matter!
We Matter
Chemical Change
Physical Change
Scientific Method
100
What is Matter?
Anything that takes up space and has mass.
100
What is Mass?
The amount of Matter in an object!
100
What is a chemical change?
A change that can not be reversed. It changes what the object is made up of.
100
What is physical change?
A change that does not create a new substance.
100
What is the scientific method?
200
James and Harry want to compare a Football and a Baseball. What tool should they use?
Scale
Magnet
Thermometer
Water in a Cylinder
Scale
200
Danny and Patrick are looking at two substances. They are trying to label the states of matter. What is an example of something they can look for?
Mass
Temperature
Shape
Color
Shape
200
Which is an example of a chemical change?
Rust on a bike?
An egg breaking into a bowl?
Breaking Glass?
Burning a piece of paper?
Rust and Burning.
200
Abby is making tea. She puts one tea packet in Hot water and one in cold water.
What will happen to each tea packet?
Hot water will make tea faster.
Cold water takes a lot longer to make.
200
Amy is bothered by a problem. She has a squirrel that keeps eating her plants' seeds. If she used the scientific method to solve her problem, what step has she completed?
Define the problem.
300
Ron and Draco are buying paperclips. Ron wants to buy paperclips that are metal. How can the boys tell?
Magnetism.
300
Water turning into ice is an example of changing state of matter, true or false?
True
300
When is a chemical change more likely to happen?
When an object is hotter?
When an object is colder?
When an object is just sitting there, unchanged, not moving. Just motionless.
Hotter!
300
Kalvin wants to make Coffee as fast as possible.
He sets up an experiment to see which one works fastest.
1. Stirring plus Hot Water
2. Stirring plus Cold Water
3. No Stirring and Hot Water
4. No Stirring and Cold Water
1. Stirring plus Hot Water
300
Amy is bothered by a problem. She has a squirrel that keeps eating her plants' seeds. If she used the scientific method to solve her problem, what step should she do next?
Plan/Create a hypothesis that might solve the problem.
400
What Mixtures could be separated with a magnet?
Paperclips and Water?
Red and Blue Blocks?
Round and Triangle Beads?
Corn and Potatos?
Paperclips and Water
400
Scientists are looking at something unknown. It is sealed away in a jar and they need to find out what state of matter it is.
Temp: 79 F
Mass: 20 Grams
Texture: Smooth, unable to grab
Volume: Takes the shape of the jar.
Liquid.
400
Students want to prove that a bike rusts faster with no water.
What are the best options to test this?
Metal Bike 1 left inside a garage?
Plastic Bike 2 left in a puddle of water?
Plastic Bike 3 left in a parking lot?
Metal Bike 4 left outside in the rain?
Bike 1 and Bike 4
400
Which will dissolve faster in water?
Option A, B, or C
Option C
400
Amy is bothered by a problem. She has a squirrel that keeps eating her plants' seeds. If she used the scientific method to solve her problem, what is her next step?
Test her hypothesis.
500
The student is separating sand and salt.
The student uses a strainer to do so.
Why doesn't this work?
They are both small particles.
500
You have a bowl of your favorite cereal. But your friend dumped his favorite cereal (which you can't stand) into the bowl as well.
What tool will you use to separate your cereal from your friend's? ( No milk has been added)
Paper Filter
Water
Magnet
Tweezers
Tweezers
500
The students are writing notes about chemical changes.
In their notes, they write this:
Signs of Chemical Change:
1. Change in Taste.
2. Change in Smell.
3. Change in the amount of Mass.
4. Change in Color.
What is incorrect?
3. Change in the amount of Mass.
500
The student is making tea when he gets the idea to test whether hot water helps.
The student takes hot water, puts the tea in it, and doesn't stir it.
Then the student takes another tea bag, puts it in cold water, and stirs it.
Why is this experiment not fair?
The student stirred one but not the other.
500
Amy is bothered by a problem. She has a squirrel that keeps eating her plants' seeds. If she used the scientific method to solve her problem.
How will she know if her solution actually works?
Retest and compare results.