Physics
Place the substances in order from lowest density to highest density. Water Gold Ice Air Hydrogen gas
HYDROGEN --> AIR --> ICE --> WATER --> GOLD
The number of electrons in Silicon
14
From which company Steve Jobs took the idea for the graphical user interface with a mouse?
Xerox
A possible explanation for a set of observations or answer to a scientific question is called a
Hypothesis
The amount of force that charged objects exert on one another depends on these 2 things.
Amount of charge on the objects and the distance between the objects
This scientist came up with the billiard ball model of the atom in the 1800s.
John Dalton
What does "USB" stand for?
Universal Serial Bus
A chemical substance that is used on crops to treat insects or weeds
Pesticides
If a car moves 6 m north, 10 m south, 19 m north, 3.5 m north and 14 m south. What is the car's total displacement in the correct direction?
4.5 m north
Identify the information listed for the element beryllium: a) symbol b) atomic number c) number of protons d) number of electrons
a) Be b) 4 c) 4 d) 4
Controls the computer's tasks and manages all other programs
Operating System
The application of the principles of chemistry, biochemistry and microbiology to the development of new technologies.
Biotechnology
What are the SI units for Electric Potential, Current, and Resistance?
Volts (V) , Ampere (A) , Ohm
When using litmus paper to test for acidity and basicity, these are the two color changes and the state that they indicate.
acids turn red and bases turn blue
The main circuit board of the computer which allows most of the computer parts to attach to it
Motherboard
A Chemical or natural material added to soil to increase growth of plants
Fertilizers
What to do to increase the strength of an electromagnet?
Add more power, increase the size of the core or increase the number of coils
What do the letters s, p, d, f stand for?
sharp, principal, diffuse, fundamental
[RIDDLE] 1101 IS NOT EQUAL TO 1011 BUT 1101 IS EQUAL TO 1011.
In Binary, 1011 = 11 (in decimal) and 1101 = 13 (in decimal) but in a mirror, 1011 = 1101.
A statement that describes what scientists expect to happen every time under a particular set of conditions is a
A Scientific Law