|
SuperTeacherTools |
|
|
|
Answers will vary.
A. only your weight would change.
Nope
mass and distance
B. at the same speed
Balanced Forces
It has more air friction.
Answers will vary.
Answers will vary.
Add surface area
make surfaces rough
Add mass
Answers will vary
Rolling friciton
Sliding
Rolling
Fluid
Unbalanced forces
Three objects are on the moon: ping-pong ball, watermelon and a bowling ball.
They all have parachutes and are dropped from the top of the rocket.
Which object will fall to the moon the fastest?
reduce surface area
add a lubricant
create smoother surfaces
reduce mass
Answers will vary.
The pulling force is called Gravity.
Fluid Friction
Force is a push or a pull
dump truck
Galileo
Tower of Pisa. It is in Italy.
The force that slows down motion is called friction.
B. Slowing
What is it called when all forces are acting an object an object and there is NO change in motion?
What type of friciton is used to help move this refrigerator?
Which force is always pulling - never pushing- objects?
Is weight and mass the same thing?
Because there is no air on the moon, objects fall
A. at different speeds
B. at the same speed
C at slower speed
Name three ways you can reduce friction.
Pretend you landed on Jupiter. What would change:
A. weight
B. Mass
C. weight and mass
D. neither would change
Name one way these boys reduce the friction between the sled and the surface.
Name the scientist that proved objects fall at the same rate.
What do we call two or more forces that are act on objects and cause them to move?
Name three ways you can increase friction.
What can this poor fella do to increase friction on the surface?
DAILY DOUBLE!!!!
Name one reason why gravity is a good thing.
What is force?
Friction is a force that is always _____________ things down.
A. pulling
B. slowing
C. moving
What type of friction is this swimmer experiencing?
Name the three types of friction.
Where is friciton happening in this photo?
Explain why a feather falls to the ground more slowiy than a bowling ball.
The pull of gravitiy depends on two things. What are they?
Which object below would have the greatest gravitational pull?
feather
dump truck
couch
What is the name of this building AND what country is it in?
Name the force that slows down motion.
| Description | Match: |
What is force?
|
Force is a push or a pull |
Name the force that slows down motion. |
The force that slows down motion is called friction. |
Which force is always pulling - never pushing- objects? |
The pulling force is called Gravity.
|
What do we call two or more forces that are act on objects and cause them to move? |
Unbalanced forces |
What is it called when all forces are acting an object an object and there is NO change in motion? |
Balanced Forces |
Friction is a force that is always _____________ things down.
A. pulling B. slowing C. moving | B. Slowing |
Name three ways you can reduce friction. | reduce surface area add a lubricant create smoother surfaces reduce mass |
Where is friciton happening in this photo? |
Answers will vary. |
Name one way these boys reduce the friction between the sled and the surface. | Answers will vary. |
| Fluid Friction |
Name one situation in which you want more friction. |
Answers will vary. |
Name three ways you can increase friction. | Add surface area make surfaces rough Add mass |
Name the three types of friction. | Sliding Rolling Fluid |
What can this poor fella do to increase friction on the surface? |
Answers will vary |
What type of friciton is used to help move this refrigerator? | Rolling friciton |
The pull of gravitiy depends on two things. What are they? | mass and distance |
Which object below would have the greatest gravitational pull?
feather dump truck couch | dump truck |
|
Tower of Pisa. It is in Italy. |
DAILY DOUBLE!!!!
|
Three objects are on the moon: ping-pong ball, watermelon and a bowling ball.
They all have parachutes and are dropped from the top of the rocket.
Which object will fall to the moon the fastest? |
Because there is no air on the moon, objects fall
A. at different speeds B. at the same speed C at slower speed | B. at the same speed |
Is weight and mass the same thing? | Nope |
Pretend you landed on Jupiter. What would change:
A. weight B. Mass C. weight and mass D. neither would change | A. only your weight would change. |
Name the scientist that proved objects fall at the same rate. | Galileo |
Name one reason why gravity is a good thing. | Answers will vary. |
Explain why a feather falls to the ground more slowiy than a bowling ball. | It has more air friction. |
