If I were to wave a checkered flag, what does that mean?
The end of the race

Drawing
Name the gas that is essential for us to breathe
Oxygen
Which equipment must you utilize to mine stone and ores?
Pickaxe
There's a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What color are the stairs?
There are not any- it's a one story house.
What is the first race of every year?
Daytona 500 

Picture
What is faster, sound or light?
Light
What ore can you construct complex machines with?
Redstone 
What can you hold in your left hand but not your right?
Your right elbow
Who was the first woman to race in NASCAR?
Janet Gutherie

drawing
A caterpillar will grow up to change into this?
Butterfly 
What are creepers petrified of?
Ocelots 
I'm found in socks, scares and mittens; and often in the paws of playful kittens. What am I?
Yarn
What NASCAR racer is known for doing backflips?
Carl Edwards 

Drawing
Which planet in our solar system has 53 moons?
Saturn 
What can you wear to avoid Endermen ambushing you?
A pumpkin 
What is black when it is clean and white when it is dirty?
A chalkboard
What cup did Lightning McQueen race for in Cars?
Piston Cup

Picture
What is the name of species that can live on both water and land.
Amphibians 
Who is Endermen's commander?
Ender Dragon 
What building has the most stories?
The library