Grade 7 Science - Forces Crossword Puzzle

QUESTIONS LIST:

• first: newton's _ law of motion: "an object in motion will continue in motion unless acted on by an unbalanced force."
• gravity: the force that pulls all objects down
• reaction: newton's 3rd law of motion: "for every action, there is an equal and opposite _ "
• balanced: if two forces have the same value but opposite directions, the forces are said to be _
• friction: a force that opposes motion
• newtons: the unit of measurement for forces, uses the symbol n
• motion: isaac newton created 3 laws of _
• force: a push or pull on an object
• spring: the device used to measure forces is called a _ balance
• direction: 2 components are used to describe a force - magnitude and _
• mass: newton's 2nd law of motion: force = _ x acceleration
• contact: forces that require physical touch between objects are _ forces