Hank sits down to watch football on television. Identify which energy transformation make 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
100
An example of an element:
1) H2O
2) CO2
3) He
4) NaCl
What is He?
100
Moon phase after 3rd quarter
What is waning crescent?
100
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
100
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
200
Which situtation describes work being done by a person:
A. Throwing a ball
B. Looking at a ball
C. Dropping a ball
D. Holding a ball
What is A. Throwing a ball
200
The number of elements in the below reaction:
C3H8 + 5O2 --->3CO2 + 4H2O
What is 3?
200
The phase of moon after the 1st Quarter.
What is waxing gibbous?
200
Copper wire cut into pieces
Chemical Change or Physical Change
What is Physical Change?
200
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
300
Evidence that work is being done on an object:
An object
A. stays still
B. moves
C. has mass
D. does not bend
What is B. moves
300
Name the compound:
Aluminum
Copper
Iron
Steel
What is Steel?
300
Spring tides occur during these 2 moon phases
What are Full Moon and New Moon?
300
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
300
Name the structure in a plant cell that plays an important role in photosynthesis:
A. Cell wall
B. Vacuole
C. Chloroplast
D. Cytoplasm
What is C. Chloroplast
400
The Law of Conservation of Energy states
What is Energy can not be created or destroyed?
400
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
400
Full moon occurs on the 17th of October. Name the phase of moon on October 31.
What is New Moon?
400
The explosion of fireworks
What is a chemical change?
400
A discovery that was essential to the concept that organisms are composed of cells and cells carry on similar functions:
A. Water is the chemical solvent involved in many cell processes
B. New cells are produced from the division of existing cells
C. Some substances in organisms exist outside of cells
D. Cells are dependent on energy and nutrients from external sources
What is D. Cells are dependent on energy and nutrients from external sources
500
Name 5 forms of energy
What is (any 5)
Chemical, light, electrical, thermal, mechanical, potential, kinetic?
500
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
500
When you interpret a diagram with the phases of the moon, ALWAYS identify where the _____________ is in line with the Earth and Moon.
What is the Sun?
500
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
500
Two reasons plant and animal cells are different
What is plant cells have chloroplasts and cell walls?