States of Matter
What are the states of matter?
Solids, Liquids and Gases
What are the subatomic particles called?
Protons, Neutrons and Electrons
What does the Atomic Number mean?
Number of protons and electrons for an element
Write a worded equation for baking a cake
See board
What are the independent and dependent variables?
The variable we change (IV)
The variable we measure/observe (DV)
Give an example of a solid, liquid and gas
Answers will vary
What are the location and charges of the subatomic particles?
Protons - nucleus and +ive
Neutrons - nucleus and neutrak
Electrons - in shells and -ive
What does the Atomic mass tell you?
The mass of the nucleus. Protons + Neutrons
What are the four important things for an equation?
Reactants, Products, Arrow (change) and states of matter
What are controlled variables?
These are the variables that we control to make sure our experiments are valid.
Draw the particle model of a solid, liquid and gas
See Ms's answer on the board
Draw an atom with 3 protons, 4 neutrons and 3 electrons.
See Ms's example on board
Round the Atomic Mass to the nearest whole number and take away the Atomic Number
What do the following symbols mean?
(s), (l), (g), (aq)
solid, liquid, gas, aqueous
How do you write a research question?
Does the IV affect the DV?
What is the change of state called between ice and water?
Melting
What happens if an oxygen atom has 10 electrons?
Forms an anion
Find Gold on the Periodic Table
Draw the Element Square
See the board
What are the reactants in:
lead nitrate + potassium iodide > lead iodide + potassium nitrate
lead nitrate + potassium iodide
What things do you need in a good hypothesis?
A hypothesis noun
The IV
Relationship
The DV
Science
Give three properties of a liquid
- Takes up space
- Takes up the shape of container
- Cannot be compressed
- Held together in strings
What happens is Sodium loses an electron?
Forms a cation
Au, 79, 98 and 79
Look at the equation on the board.
Which is the precipitate?
Lead iodide
What should you have on a materials list?
Dot points
Size of equipment
Amount of equipment