Physical Science
What is the smallest unit of matter?
What is atoms.
The role of the esophagus is to do this.
What is carry food from the mouth to the stomach.
This location on Earth receives the most direct sunlight.
What is the equator.
This process is most responsible for the formation of the Grand Canyon.
What is erosion?
The chemical reaction that releases heat.
What is endothermic?
This material will allow electricity to flow between a battery and a light bulb.
What is copper wire.
Oxygen-rich blood goes here after leaving the lungs.
What is the heart.
This process is responsible for changing liquid water into water vapor.
What is evaporation.
This is a characteristic that all reptiles and amphibians share.
What is they are cold blooded?
When we write letters and numbers like 2NaCl we are writing what?
What is a chemical formula?
This is a property of CO2.
What is it is colorless/odorless. It is a gas. Molecules have high energy. It is a molecule.
Plants use this gas in photosynthesis.
What is carbon dioxide (CO2).
Most of Earth's water is located here.
What is the ocean.
Since organisms can be preserved in sedimentary rock, these are often found inside when broken.
What are fossils?
Signs that a chemical reaction has occurred is.
Light is produced, gas is released, heat is produced, and an odor my form.
What is the chemical name for salt?
What is sodium chloride.
This is broken down in the body to release energy.
What is sugar.
Gravity is responsible for this in our Solar System.
What is orbits of the planets around the Sun.
In a ceiling fan, electrical energy is converted into this.
What is mechanical energy.
The smallest unit of life.
what are cells.
The little 2 after the H in the formula for water shows us this..
What is there are 2 hydrogen atoms in water. H2O
This is produced when you eat food.
What is energy?
Above a continent, a warm air mass slowly passes over a cold air mass. As the warm air begins to cool, clouds form. What will most likely happen next?
What is rain will fall.
These break down dead organisms and recycle nutrients into the soil.
Decomposers.
There are many phases of the moon. tell me how many?
What is 8?