Physical Science
Chemistry - Part 1
Chemistry - Part 2
Astronomy - Part 1
Astronomy - Part 2
100
This is a push or a pull / has a magnitude and direction.
Force
100
pH 8-14 / Baking soda, soap, and ammonia are this
Base (Basic) or Alkali
100
the positively charged particles found in the nucleus of an atom / determine the atomic number of an atom
Protons
100
only seen by us once as it burns up in the atmosphere / called a meteorite if it hits earth / killed the dinosaurs
Meteor
100
the distance light travels in one year
light year
200
when you speed up or slow down
acceleration
200
pH of 7 / Water is this
Neutral
200
the neutral particles found in the nucleus of an atom
Neutrons
200
can appear in the night sky for several nights or months in a row / can take 1000's of years to pass by on their elliptical orbit
Comet
200
Clusters of billions of stars with different shapes / Ours is the milky way / the closest to ours is called Andromeda
Galaxies
300
this allows your shoes to stick to the floor and your car tires to stick to the road
Friction
300
smallest negatively charged particles in an atom
Electrons
300
When a solid forms from repeating patterns of molecules you get a___________________
Crystal
300
We see this almost every night because it reflects the sun's light
Moon
300
the distance from the earth to the sun is 1 of these
Astronomical Unit
400
this is speed in a direction / if your speed or direction changes so does your _____________
Velocity
400
composed of protons, neutrons, and electrons
Atom
400
g/mL and g/cm3 are two units we use can be used to predict if an object will float / mass/volume
Density
400
the force that pulls all objects toward one another / Pulls you to the earth / Keeps the sun from exploding
Gravity
400
our sun is one / they are much bigger than earth and can vary in size / we classify them by color, size and temperature
stars
500
In order to move something you must apply this / If a car is driving down the road and an _________ is applied the car will change velocity
Unbalanced Force
500
Protons+Neutrons= ?
Atomic Mass
500
made of long chains of monomers
Polymers
500
Orbit and stay in our solar system, but are not big enough to be planets / Form a belt between mars and Saturn
Asteroids
500
Bonus Question: this stays the same in an experiment
Controlled Variable
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