Lab Safety and Equipment
1.What do you use to protect your eyes in the lab? -Safety Goggles
2. What item is uses to protect the body from substances? -Lab Coat
Science Skills
1.Scientific Notation is_________. -A way to write a large number in a simpler, smaller way.
2.How many units is SI built on? - Seven metric units.
Density
1. What is the formula for density? -Mass ÷ Volume
2. What is the density of an object if its mass is 4g and its volume is 2cm^2? -2g/cm^2
States of matter......etc..
1. What are the states of matter? -solid, liquid, gas
2. What does an exothermic phase change do? -Releases energy
Atomic Structure
1.What is an atom? -The smallest particle of an element.
2.How many neutrons are in an element if its mass number is 20 and its atomic number is 10? -10
The Perodic Table
1.Who had the idea of arranging all the elements? -Mendeleev
2.What is an elements atomic number? -The number of protons in an element.
Chemical Bonds
1.What is an ionic bond? - The force that holds cations and anions together
2.What are the two main types of chemical bonds? -Ionic and Covalent
Chemical Equations...etc..
1.What is a reactant? -A substance that undergoes a change
2.What type of reaction is 2Na + Cl2 -----> 2NaCL? -Synthesis
Acids & Bases
1.What kind of taste do acids have? -Acidic
2.Would a pH of 9 be neutral, acidic, or basic? -Basic
Solubility
1.On a solubility curve, how can you tell if a point is saturated? -If it is on the line.
2.What is solubility usually expressed in? -Grams of solute per 100 grams of solvent.
Radioactivity
1.What is radioactivity? -The process in which an unstable atomic nucleus emits charged particles and energy.
2. What is the half life of lead? -26.8 minutes
Motion
1.What is an example of scalar motion? -Speed
2. What is distance? -The length of a path between two points.
Forces
1. What is a force? -A push or pull that acts on an object.
2.What is the formula for momentum? -Mass x Velocity
Work, Power, and Machines
1.What does work require? -Motion
2.What is the SI unit for power? - Watts
Energy and Heat
1.What is energy? -The ability to do work
2.What is an example of chemical energy? -Cars. Gas.
Waves and Electromagnetic Spectrum
1.What is Reflection? - Waves bounce off a surface it cannot pass through.
2. Explain the Doppler effect. - As a source of sound approaches, an observer hears a higher frequency. When the sound source moves away, the observer hears a lower frequency.
Electricity
1.What type of charge do protons have? -Positive.
2.What does voltage do? -Causes current to flow through an electrical circuit.
Magnetism
1. What is magnetism? -The force of attraction or repulsion between unlike or like poles.
2. What happens is magnetic domain when domain are randomally arranged? -Forces cancel each other out.
1.What do you use to protect your eyes in the lab? -Safety Goggles
2. What item is uses to protect the body from substances? -Lab Coat
Science Skills
1.Scientific Notation is_________. -A way to write a large number in a simpler, smaller way.
2.How many units is SI built on? - Seven metric units.
Density
1. What is the formula for density? -Mass ÷ Volume
2. What is the density of an object if its mass is 4g and its volume is 2cm^2? -2g/cm^2
States of matter......etc..
1. What are the states of matter? -solid, liquid, gas
2. What does an exothermic phase change do? -Releases energy
Atomic Structure
1.What is an atom? -The smallest particle of an element.
2.How many neutrons are in an element if its mass number is 20 and its atomic number is 10? -10
The Perodic Table
1.Who had the idea of arranging all the elements? -Mendeleev
2.What is an elements atomic number? -The number of protons in an element.
Chemical Bonds
1.What is an ionic bond? - The force that holds cations and anions together
2.What are the two main types of chemical bonds? -Ionic and Covalent
Chemical Equations...etc..
1.What is a reactant? -A substance that undergoes a change
2.What type of reaction is 2Na + Cl2 -----> 2NaCL? -Synthesis
Acids & Bases
1.What kind of taste do acids have? -Acidic
2.Would a pH of 9 be neutral, acidic, or basic? -Basic
Solubility
1.On a solubility curve, how can you tell if a point is saturated? -If it is on the line.
2.What is solubility usually expressed in? -Grams of solute per 100 grams of solvent.
Radioactivity
1.What is radioactivity? -The process in which an unstable atomic nucleus emits charged particles and energy.
2. What is the half life of lead? -26.8 minutes
Motion
1.What is an example of scalar motion? -Speed
2. What is distance? -The length of a path between two points.
Forces
1. What is a force? -A push or pull that acts on an object.
2.What is the formula for momentum? -Mass x Velocity
Work, Power, and Machines
1.What does work require? -Motion
2.What is the SI unit for power? - Watts
Energy and Heat
1.What is energy? -The ability to do work
2.What is an example of chemical energy? -Cars. Gas.
Waves and Electromagnetic Spectrum
1.What is Reflection? - Waves bounce off a surface it cannot pass through.
2. Explain the Doppler effect. - As a source of sound approaches, an observer hears a higher frequency. When the sound source moves away, the observer hears a lower frequency.
Electricity
1.What type of charge do protons have? -Positive.
2.What does voltage do? -Causes current to flow through an electrical circuit.
Magnetism
1. What is magnetism? -The force of attraction or repulsion between unlike or like poles.
2. What happens is magnetic domain when domain are randomally arranged? -Forces cancel each other out.