Welcome to... A Game of X’s and O’s

Scoreboard X O Click Here if X Wins Click Here if O Wins

1 What is the dividing line for metal and non metals?

1 The zig-zag line on the periodic table Home

2 Which type of wave needs a medium?

2 A sound wave

3 The weight of a person on Earth is 6 times his weight on the moon. What type of force is responsible for a person’s weight?

3 gravity

4 By what process does a lens focus light?

4 refraction

5 A block of Al will be used to determine the density of Al. If the block measures 2cm x 3cm x 6cm, what is the volume?

5 36 cm 3

6 A toaster is plugged into a wall outlet that has a voltage of 110 v. If the toaster’s resistance is 10 ohms,, what current runs through the toaster?

6 11 amperes

7 The number of protons in a neutral atom is equal to the number of what?

7 electrons

8 Albert stirs a mug of hot chocolate with a metal spoon, what type of heat transfer is responsible for getting the spoon hot?

8 conduction

9 What is the correct formula for the compound formed when lithium and oxygen combine?

9 Li 2 O