Show:
Water Cycle
Soil
Earth Patterns
Simple Machines
Matter
100
Rain, snow, hail and sleet are all examples of this part of the water cycle
What is precipitation
100
Soil provides this important ingredient for plant growth
What is support or nutrients
100
Tides are caused by the pull of this on the earth's oceans
What is the Moon
100
A ramp is an example of this type of simple machine
What is an inclined plane
100
Hydrogen and oxygen are examples of this state of matter
What is gas
200
The origin of energy that drives the water cycle
What is the sun
200
This portion of soil is sticky when it gets wet
What is clay
200
When the moon appears to be a bright circle, it is in this phase
What is Full Moon
200
This makes raising a flag up a flagpole much easier
What is a pulley
200
Machines which help scientists see portions of items which cannot be seen with the naked eye
What are microscopes
300
During evaporation, a puddle of water becomes this
What is water vapor
300
300 The top layer of soil
What is topsoil
300
Day and night are caused by this movement of the earth
What is rotation on its axis or rotation
300
A screw is actually one of these wrapped around a post
What is an inclined plane
300
These physical properties of objects do not change when the objects become smaller
What is shape and color
400
When warm moist air meets cooler air, this part of the water cycle takes place to form a cloud
What is condensation
400
Decayed twigs, leaves, or animals make up this component of soil
humus
400
The earth takes one year to make one of these around the sun
What is revolution
400
Two simple machines found in a pair of scissors
What is alever, wedge, sometimes wheel and axle
400
The smallest part of any material
What is an atom
500
A natural or man made lake used for the storage of water
What is reservoir
500
Very fine part of soil which feels like a powder when it is dry
What is silt
500
Seasons are caused by the earth's revolution around the sun and by this
What is the Earth's tilt
500
The center of a seesaw is this part of a lever
What is a fulcrum
500
These tiny particles made of combinations of atoms make every object unique
What are molecules