Name one physical property of a substance.
(Mr Erb decides if right or wrong)
(INCLUDE UNITS)
Mass = 50 g
Volume = 25 cm3
Density = ?
2 g/cm3
How many legs do arachnids have?
8
The smallest unit of matter.
Atoms
How many protons does one oxygen atom have?
8
True or False
Cooking an egg is an example of a chemical reaction.
True
(INCLUDE UNITS)
Mass = 200g
Volume = 50mL
Density = ?
4 g/mL
Carbon Dioxide
We use grams to measure this physical property of an object.
Mass
What is the atomic mass of Fluorine?
19
Name three physical properties that can be used to describe a substance.
Color, length, odor, boiling point, density, mass, volume, solubility, (up to Mr. Erb)
A 400 gram block has a volume of 200 cm3. What is the block's density?
2 g/cm3
What is the name of the process that plants use to turn sunlight into food?
Photosynthesis
This word means the amount of space an object takes up.
Volume
What does the atomic mass tell us?
Number of protons + neutrons
Which object will float in water? Which will sink?
Object A = 0.5 g/cm3
Object B = 1.5 g/cm3
Object C = 0.25 g/cm3
Float = A, C
Sink = B
What is the volume of each marble?
1 cm3
This mammal lays eggs, has a bill, and has a venomous stinger on its heel. What is it?
Platypus
This word is a ratio of a material's mass compared to it's volume.
Density
If an atom has 15 protons and 18 electrons, what is it's net charge?
-3
25 g/mL
What are the three main types of rocks?
Igneous
Sedimentary
Metamorphic
Families
How many neutrons are in one atom of Gold?
118 Neutrons