vocab
Laws of motion
unbalanced/balanced forces
ecosystems
Review
100

an act of changing physical location or position or of having this changed.

movement

100

the SI unit of force discovered by Issac Newton 

Newton

100

define unbalanced forces.

Forces that cause a change in the motion of an object are unbalanced forces.

100

Where do producers get their energy in ecosystems?

The sun

100

the rate at which someone or something is able to move or operate. 

speed

200

 a course along which someone or something moves

direction

200

what is another word for newtons first law

law of inertia

200

Define balanced forces.

Two forces acting in opposite directions on an object, and equal in size.

200

grasses are _____?

Producers

200

Define Newtons First Law.

an object will remain at rest in a straight line unless acted upon by an external force, and that objects will remain in their state of motion unless a force acts to change the motion.

300

the speed of something in a given direction

velocity

300

if a bowling ball and a basketball are rolled with the same amount of force, the basketball will accelerate faster. is an example of Newtons ______ law.

second

300

A rocket taking of into space is an example of a _____ force. 

Unbalanced

300

organisms that only eat plants are ______. 

herbivores 

300

if a 200 pound man and a 100 pound kid were to have a tug-a-war who will most likely win and is it  a balanced or unbalanced force? 

The 200 pound man and an unbalanced force.

400

forces that cause a change in the motion of an object

unbalanced forces

400

Define Newtons Third Law.

For every action there is an equal and opposite reaction.

400

two people arm-wrestling applying the same amount of force is an example of a ______ force

Balanced 

400

Animals that only eat meat are _____.

carnivores

400

mice are ____

herbivores/primary consumers 

500

the SI unit of force

Newton

500

a train stops suddenly at the train station and everyone in the cars continue moving forward is an example of Newtons _______ Law.

First

500

moving the couch to the other side of the room is an example of a ______ force 

Unbalanced

500

Omnivores eat _____and _______.

plants and meat

500

the vector sum of forces acting on a particle or body is the 

Net Force