My Chemical Romance
Balance Beam
Stop and Go
Physical Science Rocks!
This and that
100
A _______ occurs when a substance goes through chemical changes to form new substances by rearranging atoms.
What is chemical change
100
The substance that is formed in a chemical reaction is called the _________.
What is the product
100
In order to find the average speed of an object, you must know what?
total distance and total time
100
To describe velocity you need to know ____.
speed and direction
100
When water turns into steam what happens to the molecules?
they speed up and spread out because they have more energy
200
the center of an atom is called
nucleus
200
A substance that undergoes a change in a chemical reaction is the _____.
What is reactant
200
A speed in a specific direction is called
velocity
200
The total distance traveled divided by the time taken to travel the distance is ____.
what is average speed
200
What can be used to measure the pH of a substance?
pH paper or cabbage juice
300
The number of protons in an element is called
atomic number
300
When an acid and a base are mixed together what happens
they neutralize
300
A horizotnal line on a distance time graph shows this
no motion
300
Give two examples of how you know a chemical reaction is occuring.
heat is released or absorbed, a color change occurs, gas is given off, solid forms, odor formed
300
When one species benefits and the other is not affected this is called?
commensailsm
400
A change in color indicates what type of reaction?
chemical
400
List 2 properties of a base
soapy slippery high pH
400
Speed at a particular instant in time is called
instantaneous speed
400
What three things are involved in cell division?
growth repair and development
400
How many different elements are in the following C6H12O6
3 C H O
500
What type of reaction produces an increase in temperature?
What is exothermic reaction
500
Elements in ________________ share similar chemical properties
column
500
A quantity with both size and direction is called?
What is a vector
500
A jet plane traveled for 5 hours at 600 kilometers per hour. What is the distance the jet plane traveled?
D= SxT 5 x 600 =3000 km
500
List an element is in the 2nd period on the Periodic table
Li, Be, B. C, N, O, F, Ne
M
e
n
u