Water Cycle
As time goes by, and water goes through the water cycle again and again, the amount of water on Earth mostly _______.
Stays the same
Energy is ___________.
the ability to move or change matter
What kingdom do mushrooms belong to?
Fungi
Which of the following is the BEST choice if you need to lift a piano to a third floor window?
pulley
What is a liquid's resistance to flow?
Viscosity
Which of these is condensation in the atmosphere?
clouds
Objects that are able to fall have what type of energy?
Kinetic
What is the smallest unit of life?
a cell
What is a machine with a grooved wheel that holds a cable?
Wheel and axle
What is the opposite of vaporization (turns from a gas to a liquid)?
Condensation
The water cycle is the Earths way of ________.
Who is the physicist who determined the laws of motion?
Issac Newton
Why doesn't a mushroom belong to the animal kingdom?
It doesn't move to get food.
A pickle jar lid is an example of a _________.
Screw
When the temperature of matter increases the particles __________.
speed up and move farther apart
Dry ice is an example of this state change.
Sublimation
Machine with a bar that pivots on a fixed point.
Lever
Some life forms in this kingdom can survive in extreme environments including hot springs, salt water, lakes, and intestines of animals.
Bacteria
Which simple machine turns a Ferris wheel?
Wheel and Axle
Molecules within an object that are tightly held together with little movement. They have shape and energy.
Solid
In the collection stage of the water cycle, water finds itself back in the oceans, streams, and rivers by way of _______.
Gravity and the fact that things flow downhill
The force that is applied in an object is known as __________________.
Acceleration
What do all living things need?
Sunlight, Food, and to Reproduce
Mr. Smith sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
Mass of the ball
Particles from a solid have enough energy to turn directly into a gas.
Sublimation