Particles of Matter
Properties of Matter
Changes in Matter
Vocabulary
Anything goes!
100
What is an example of a visible particle?
An example of a visible particle is a grain of salt or sugar.
100
What is reflectivity?
Reflectivity is the ability of a surface to reflect light.
100
Chemical change or physical change?
Mixing baking soda and hot water?
Why?
Chemical Change, a gas is produced
100
What vocabulary word matches this definition?
Anything that has mass and takes up space.
Matter
100
True or False: Matter can be created and destroyed.
False
200
Explain what causes the balloon to inflate.
Air
200
What is the difference between a conductor and a nonconductor?
A conductor allows electricity or heat to pass through it easily, while a nonconductor (insulator) does not.
200
Ellie mixes an unknown powder with an unknown clear liquid a ___________ change occurs because the solution changes color, the temperature increases, and bubbles have formed throughout.
Chemical
200
Solid, liquid, gas, and plasma
The States of Matter
200
True or false:
William has two identical glasses that each have four ice cubes in them and he lets the ice cubes in one glass melt, the glass with the ice cubes in it will weigh the same as the other glass.
TRUE!
300
How can you demonstrate that air is matter?
You can demonstrate that air is matter by showing that it takes up space, such as by inflating a balloon or observing the expansion of a basketball when air is added.
300
Which of the following descriptions lead us to believe an object is a metal. HINT: There can be more than one answer.
Small black solid, shiny, conducts heat
Shiny and conducts heat
300
a __________ is a change that affects one or more physical properties of a substance without changing its chemical composition (e.g., melting ice).
Physical Change
300
What does it mean to observe?
To observe means to notice or perceive something using the senses, especially through careful examination.
300
A ___________ is an educated guess or prediction about the outcome of an investigation based on prior knowledge.
hypothesis
400
Mack weighs a solid piece of butter in a jar and finds the total mass is 20 g. Mack then heats the butter until it melts and measures the mass again.
What is the mass of the butter and beaker after the butter has melted.
20 g
400
Kaden is testing different types of wood to use for a bookshelf. He tests each type of wood to see how many books the bookshelf will safely hold. What characteristics of the wood determines how many books the bookshelf can safely hold?
Strength
400
Describe what happens to matter when it is heated.
When matter is heated, its particles move faster, often leading to changes in state (e.g., solid to liquid) and changes in properties.
400
________ refers to the facts, figures, and other evidence gathered through observations and measurements during an investigation.
Data
400
Colson has a pizza that weighs two pounds. If Colson slices the pizza into ten slices, what will be the weight of all the slices put together?
two pounds
500
What evidence shows that matter is made of particles too small to be seen?
Evidence includes observations of behaviors such as the expansion of a basketball when air is added or the dissolving of sugar into water, indicating that matter is made of particles too small to be seen.
500
Logan placed a cotton towel next to a wax candle that was recently used. Later, he noticed small burst of fire sparks in the air. Which property of matter did Logan unknowingly create?
Reactivity
500
What happens to the weight of matter when it melts?
When matter melts, its weight remains the same; the total mass of the substance before and after melting is conserved.
500
What does "conservation of matter" mean?
The conservation of matter means that matter cannot be created or destroyed in a closed system; the total mass remains constant.
500
Mixing sugar and tea is an example of ________
Physical Change