Physical Science
Chemistry
Physics
Earth Science
Miscellaneous
100
Physical Science deals with the study of _________.
What is non-living things?
100
A pure substance that contains 2 or more elements chemically joined in a fixed proportion is known as a _________.
What is a compound?
100
Energy that is stored is known as _______ energy.
What is potential?
100
The 3 types of rock are: __________
What are sedimentary, igneous, and metamorphic?
100
A factor that changes in an experiment is known as a _________.
What is a variable?
200
The 3 states or phases of matter are:
What are solids, liquids and gases?
200
The negative particles orbiting this atom are called __________.
What are electrons?
200
Energy that an object has due to its motion is known as ________ energy.
What is kinetic?
200
Name 2 types or agents of erosion.
What are:
-water
-glaciers
-wind
200
Meters, kilograms and seconds are units within what system of measurement?
What is the metric system?
(or: SI units/International System of Units)
300
The Law of the Conservation of Mass states that:
"Matter cannot be _________ or _________, but it can change forms."
What is created or destroyed?
300
The 2 types of particles contained in the nucleus of this atom are ________ and ________.
What are protons and neutrons?
300
A force that results when surfaces of objects ub against each other and oppose motion is known as _______.
What is friction?
300
A barometer is used to measure _________ to predict changing weather.
What is air pressure?
(also: barometric pressure)
300
Name 2 of the physical properties of matter (out of 7)
1. appearance + odor
2. conductivity
3. density
4. hardness
5. malleability
6. viscosity
7. melting + boiling point
400
The 2 primary ways to make observations are:
1. __________ observation: made using 1 of the 5 senses
2. __________ observation: made with instruments such as rulers, beakers, thermometers etc.
What are
1. qualitative
2. quantitative
400
The currently accepted atomic model is called the _____________.
What is the electron cloud model, or quantum-mechanical model?
400
The tendency of an object to resist changes in its velocity is known as _________.
What is inertia?
400
The hydrologic cycle is also known as the _________ cycle.
What is the water cycle?
400
The 2 main chemical properties of matter are:
What are flammability and reactivity?
500
In chemical equations, the substances on the left are called ________, and the substances on the right are _______.
Example:
carbon + oxygen -----> carbon dioxide
What are reactants and products?
500
The Periodic Table of the Elements was organized by this Russian chemist in 1869.
Who was Dmitri Mendeleev?
500
Name two of Newton's 3 Laws:
1. An object in motion (or at rest) will stay in motion (or at rest) until it is acted on by an outside force.
2. When an object is acted on by one or more unbalanced forces, the net force is equal to the mass of the object times the resulting acceleration
3. Every action has an equal and opposite reaction.
500
The 3 compositional layers of the earth are: _________, _____________, __________.
What are the crust, mantle, and core?
500
Name four of the 6 simple machines.
1. Inclined Plane
2. Wedge
3. Pulley
4. Wheel + Axle
5. Lever
6. Screw