States of Matter
What are the 3 states of matter that we looked at?
1) water, snow, ice
2) Air, fire, water
3) solid liquid, gas
4) element, compound, mixture
3) Solid, liquid, gas
The definition of a compound is
1) two elements NOT chemically combined together
2) two elements chemically combined together
3) the smallest form of a substance
4) two elements glued together
2) two elements chemically combined together
Cutting paper is....?
1) physical change
2) chemical change
Physical change!
Mass cannot be created or destroyed...but it can
1) change form
2) run away
3) destroy
4) create
1) change form
What do we call the chart that contains the properties of all the elements?
The periodic table!
______________ is what changes a phase of matter
1) heat
2) cold
3) energy
4) air
3) energy
Neon is an example of a....
1) element
2) compound
3) mixture
4) solid
1) element
Listed right on the periodic table!
Why is a rusted nail a chemical change?
1) it can go back to a regular nail
2) the rust changes the chemical composition of the nail
3) the nail is still the same nail and no chemical compositions has been changes
4) you can just paint over the nail
2) the rust changes the chemical composition of the nail
Something that takes up space and has mass is....
1) Water
2) Sun
3) Matter
4) Air
3) Matter
The amount of protons and electrons are the same as...?
The atomic number!
The particles in a solid move a ____________ pace
1) fast
2) slow
3) extremely fast
4) in the middle
2) slow
Particles in a solid do NOT move around too much, they are placed tightly packed together and they vibrate
An example of a heterogenous mixture is...
1) salt water
2) oxygen
3) salt
4) fruit salad
4) fruit salad
A substance that undergoes a physical change like melting is still the same substance...
1) true
2) false
1) true
If I take a piece of paper and burn it...it is still paper
1) True
2) False
2) False
Where can you find the nucleus of an atom?
The center/middle!
Which of the following states of matter has a definite shape and a definite volume?
1) solid
2) liquid
3) gas
4) plasma
1. solid
Chemically combining 1 carbon molecule and 2 oxygen molecules together makes..
1) water
2) fire
3) carbon dioxide
4) salt
3) carbon dioxide
1) physical change
2) chemical change
1) physical change
What is a pure substance?
1) element
2) compound
3) mixture
1) element
How do you find the number of neutrons??
Atomic mass - Atomic number
What can you do to make the particles move faster?
1) Freezing
2) Heating
3) Filtering
2) Heating
A solution is an example of _________ mixture
1) element
2) homogenous
3) heterogenous
2) homogenous
A physical property of a substance is...
1) molding
2) color
3) magnetic attraction
4) reactivity with water
2) color
All matter is made up of ________.
Atoms!
State examples of an element, compound, and a mixture. ALL 3!
Good job!