-
What type of property is mass?
physical
-
When a liquid becomes a gas, what point has it reached?
boiling point
-
What two variables does density depend on?
mass and volume
-
Choose the one that is not a physical change from freezing, dissolving, burning or evaporating.
burning
-
A rock sitting on top of a hill has what kind of energy?
potential energy
-
What happens to the particles in something that heats up?
Their kinetic energy increases.
-
How does heat move?
From warmer objects to cooler objects.
-
Where is chemical energy stored?
The bonds between atoms.
-
Looking at copper, glass , rubber and wood, which one is not an insulator for electricity?
copper
-
An atom has equal numbers of protons and what?
electrons
-
Every proton and electron is surrounded by ____?
an electric field.
-
When an object has more negative charge than positive charge, the result is called .....?
a static charge
-
Why do you get shocked when you touch a doorknob?
Electrons move from the doorknob to you.
-
What happens in a hydroelectric plant?
Kinetic energy is converted into electrical energy.
-
What situation must exist for electric charges to flow in a circuit?
There must be an electric field.
-
How are atmosphere layers distinguished ?
by their composition, temperature, and altitude
-
What is temperature?
How fast the air molecules are moving.
-
Name 6 Weather factors ?
Temperature, cloud cover, wind speed, humidity, air pressure and wind direction.
-
What weather factor occur because of changes in temperature and pressure?
wind
-
Where do the basic activities of life occur?
cell
-
What is the organelle found only in plants?
CHLOROPLAST
-
What does a group of specialized cells first form? cell, tissue, system or organ?
tissue
-
What provides support and protection for plant cells?
cell wall
-
What is the habitat for a squirrel?
a tree
-
What is an organism?
a living thing that uses energy, reproduces and grows.
-
What kind organisms are most producers?
plants
-
How do most decomposers recycle?
eating dead organisms
-
What resource are we most likely to run out of?
petroleum products
-
What renewable resource is Oklahoma currently developing?
wind
-
Define a natural resource.
an item found in nature that living organisms use.
-
What non renewable resource is Oklahoma famous for?
petroleum products.
|
|
