Rocket Propellant

 Your canister holds 32 ml of material. You want to use 5 ml of solid material. How much liquid material should you add? 

• 27 ml
• 28 ml
• 32 ml
• 5 ml

As job candidates, we need to remember all except...?  

• How expensive the materials are
• How high the rocket goes
• How fast the rocket takes off
• How long the rocket stays in the air

Newton's 3rd law states that every action has an___________ and ___________ reaction. 

• Equal and in the same direction 
• Equal and oppoiste 
• Opposite and not equal 
• Not equal and in the same direction 

In space, engineers must develop propulsion systems that do not burn what? 

• Carbon Dioxide 
• Fire
• Oxygen
• Gravity 

A propulsion systems is a machine that moves an aircraft in which direction?

• Forward
• Backward
• Sideways
• In circles