Hank sits down to watch football on television. Identify which energy transformation makes it possible for Hank to watch the football game.
A. Light and Heat ---> Electrical
B. Electrical ---------> Sound and Light
C. Heat --------------> Sound and Light
D. Light and Sound--> Electrical
What is B. Electrical --> Sound and Light
An example of an element is:
1) H2O
2) CO2
3) 2He
4) NaCl
What is 3) 2He?
Moon phase after 3rd quarter
What is the waning crescent?
A chemical change related to digestion:
A. Food passing from your small intestine into the large intestine
B. Muscles moving your food from your mouth into your stomach
C.Stomach acid breaking down carbohydrates into simple sugars
D. Unused food being stored in the colon before leaving the body
What is C. Stomach acid breaking down carbohydrates into simple sugars?
Choose best statement explaining the reason muscle cells have more mitochondria than brain cells:
A. have fewer proteins than brain cells
B. have a smaller nucleus than brain cells
C. use more energy than brain cells
D. have more excess water than brain cells
What is C. use more energy than brain cells
Which situation describes Kinetic Energy being done by a person:
A. Throwing a ball
B. Looking at a ball
C. Ball on the table
D. Holding a ball
What is A? Throwing a ball
The number of elements in the below reaction:
C3H8 + 5O2 --->3CO2 + 4H2O
What is 3?
The phase of moon after the 1st Quarter.
What is waxing gibbous?
Copper wire cut into pieces is Chemical Change or Physical Change
What is Physical Change?
Occurs in sexual reproduction but not in asexual reproduction:
A. Genes carry genetic information
B. An offspring is made of cells
C. Cells from two organisms combine
D. An offspring inherits a set of traits
What is C. Cells from two organisms combine?
At which location do we have the most potential energy?
Top
Middle
Bottom
What is the top?
This element is the most reactive element on the periodic table.
What is Fluorine? Bad Boy X(
Spring tides occur during these 2 moon phases
What are Full Moon and New Moon?
An example of a mechanical digestion which involves physical change:
A. Liver releasing enzymes into the digestive tract
B. Saliva breaking down starch into carbohydrates
C. Teeth chewing on a piece of pizza until it is small enough to swallow
D. Proteins being broken down into smaller molecules in the small intestines
What is C. Teeth chewing on a piece of pizza until it is small enough to swallow?
The Law of Conservation of Energy states
What is Energy can not be created or destroyed?
Acetaminophen (C8H9NO2) is an organic compound. Name the element in the compound that is required for it to be classified as organic:
A. Carbon B. Hydrogen C. Oxygen D. Chlorine
What is A? Carbon
Full moon occurs on the 17th of October. Name the phase of moon on October 31.
What is New Moon?
The explosion of fireworks is an example of
What is a chemical change?
What is the mnemonic device we use for Energy Transformations?
What is MRS.CENT?
The elements found in NH3:
A. Nitrogen and Helium
B. Nitrogen and Hydrogen
C. Nickel and Hydrogen
D. Nickel and Helium
What is B? Nitrogen and Hydrogen
When you interpret a diagram with the phases of the moon, which moon phase is always between the Sun and Earth.
What is the New Moon?
Identify the 2 physical changes and 2 chemical changes: At a campsite, branches are cut into small pieces and burned in a campfire. Marshmallows are roasted in the fire. Ice cubes in the cooler near the fire melt.
What is Physical changes: cut branches and melted ice Chemical changes: burned wood and roasted marshmallows?