Feel the energy
In your element
Space Out!
Changes
Cell Out
100
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

Celestial object at the center of our solar system.

What is the Sun?

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

Natural satellite that orbits a planet.

What is a moon?

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

Number of Carbons on the product side of photosynthesis?

6CO2 + 6H2O → C6H12O6 + 6O2

What is 6?

300

The type of galaxy that is the Milky Way.

What is spiral galaxy?

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

Number of oxygens on the reactants side of photosynthesis?

6CO2 + 6H2O → C6H12O6 + 6O2

What is 18?

400

The end life stage of low mass stars.

What is white dwarf?

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 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

Life cycle of a high mass star.

What is red supergiant --> supernova --> neutron star (high mass) or black hole (super high mass)

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?
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