Which item has the highest density?
ice- 0.92 g/cm3
milk- 1.03 g/cm3
water- 1.00 g/cm3
An object with a density less than water will sink or float?
What is float?
Can an element contain more than one type of atom?
No. It is a pure substance.
Can saltwater be separated into both salt and water?
The two states of matter with a definite volume.
What are liquid and solid?
The volume of a cube that has 5 cm long sides.
What is 125 cm3?
Is sugar dissolving in water a physical or chemical change?
What is physical?
The type of subatomic particle with a positive charge.
What is protons.
An example of a mixture. (Something that is only physically combined)
What is trail mix/ salt water/ etc.?
What is solid, liquid, and gas?
The definition of matter.
What is anything that has mass and takes up space?
What are density, melting point, luster, color, malleability, boiling point, hardness, etc.?
The smallest particle from which elements are made.
A substance with two or more different elements bonded together.
What is compounds?
Rank the states of matter from highest to lowest amounts of thermal energy.
Highest- Gas
Middle- Liquid
Lowest- Solid
I used a graduated cylinder to measure the volume of a rock. Before I put the rock in, the volume was 10 mL. After I put the rock in, the volume was 25 mL. What is the volume of the rock?
What is 15 mL?
Name two chemical properties of matter.
What are flammability, rust, and tarnish?
What is 27?
The two elements that create H2O.
What is hydrogen and oxygen?
As thermal energy is added to a substance, the vibration of the particles will increase or decrease.
What is increase?
My cup has a mass of 25 grams and a volume of 5 cm3. What is the density of the cup? (Density= mass/ volume)
What is 5 g/cm3?
Name a chemical change.
Label the parts of an atom (drawn on the board).
Electron on outer ring. Neutron is unlabeled in nucleus. Proton is positive in nucleus.
What is molecule?
Draw pictures of the particles in the three states of matter.
Miss Lanier will draw these on the board.