Vocabulary
Properties
States
Changes
Conservation
100
What means how much space something takes up?
Volume
100
Which of the following, will most likely be attracted to a magnet?
The Keys
100
Milk is what state of matter?
Liquid
100
Crumpling a piece of tissue paper is what kind of change?
Physical Change
100
During a physical change, what happens to the total mass?
It stays the same
200
This means how much matter is in an object
Mass
200
Give an example of any measurable property.
Volume, Density, Mass, Weight, Length, Width, Height, Temperature
200
Which state of matter has a definite shape and volume?
Solid
200
Which of the following is NOT a chemical change?
-Melting butter
-Burning wood
-Baking a cake
-Strawberry rotting
Melting butter
200
During a chemical reaction, what happens to the total mass?
It stays the same
300
These are what we use to describe matter and its characteristics
Properties
300
Which property of matter describes if it can dissolve?
Solubility
300
All matter is made of these... they are too small to be seen without a very powerful microscope.
Particles
300
Students mixed baking soda and vinegar using a beaker and a balloon. They believed a new substance was formed during this reaction. What evidence do they have that a new substance was formed?
The balloon inflated so a gas was produced
300
Isabel was making a taco salad. She weighed all her ingredients before combining them.
Tortilla Chips - 45g
Ground beef - 30g
Lettuce - 15g
Tomatoes - 5g
Cheese - 5g
How much did the mixture weigh?
100g
400
What is it called when two substances are combined and one of the substances dissolves?
A Solution
400
Two people were making soup in a cooking class.
Student 1 used a metal spoon
Student 2 used a wooden spoon
Why did Student 1's metal spoon get so much hotter than Student 2's spoon?
Metal conducts heat (is a conductor)
Wood is an insulator
400
Describe the particles in a gas.
They move freely and quickly. They are far apart.
400
The following two liquids were mixed together. If they turn purple, has a chemical or physical change most likely taken place and why?
Physical change, because when red and blue mix, they are expected to turn purple.
400
Maverick had a mixture of water, Kool-Aid mix, and sugar. He measured the water and Kool-Aid mix before mixing, but forgot to weigh the sugar.
Water - 120g
Kool-Aid Mix - 5g
Sugar - ???
The total mixture weighed 150g. How much sugar was there in the mixture?
25g
500
This is the process when a gas turns into a liquid
Condensation
500
A student found a mineral. Using the following table, identify which mineral it is...
It has a pearly luster, is white, and can scratch glass.
Feldspar
500
The teacher had a syringe that was capped tightly with 10ml of air. When she tried to push the plunger, it only move partly, but could not be moved all the way to the bottom. Why?
The particles of gas were compressed together which allowed it to move some, but they still take up space, so it could not be pushed all the way.
500
Adrienne followed her science teacher's directions to mix four pairs of liquid substances. Adrienne recorded the color and temperature of each substance before they were mixed. She also recorded the new color and temperature after mixing them.
According to the table below, which test, went through a chemical change?
Test 1
500
When liquid water freezes into ice, what happens to the mass and volume?
The mass stays the same and the volume increases