Random
These movements move an object away or closer to something
Push and Pull
This can change the shape of an object
Force
The force created through the use of our muscles
muscular force
Pushups use this type of force.
Muscular force.
Soil erosion is the washing or blowing away of what?
The top layer of soil
It would probably be easiest to ride a bicycle across
a) grass
b) Sidewalk
c) sand
Sidewalk
Speed
The force that pulls objects towards the earth.
Gravity
A leaf falling the the ground uses this type of force.
Gravity
Soil erosion is caused naturally by what two elements
Wind and water
When two things are rubbed together, what kind of force does it produce?
Friction
When something changes position, it is in .
1. motion
The force that acts on objects that rub against eachother
Friction
A compass if an example of which force?
Magnetic
A force in nature where a large amount of earth, rock and mud move down a steep slop.
Landslide
What does the word "position" mean?
2. The location of an object
What does friction do to a piece of chalk?
3. It wears down
The force of attraction between objects made of iron, nickel, cobalt and steel.
Magnetic force
Wind uses this type of force.
Static force
Humans can prevent soil erosion by doing what.
Planting shrubs and by controlling drainage.
A baseball lies on the floor. On what instance it will move?
1. When force acts on it
force can change the direction of a moving object.
The push and pull that happens with static charged objects.
Electrostatic force
Lightning uses this type of force.
Static Electricity
Gravity