Energy
Periodic
Newton
Changes
Cells
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

An object at rest tends to stay at rest and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

What is Newton's First Law of Motion

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 situation 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

This is the natural tendency of objects to keep on doing what they're doing. An object at rest will stay at rest, an object in motion will stay in motion unless acted upon by an outside force.

What is Inertia

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

F = M * A Force = Mass x Acceleration

What is Newton's Second Law of Motion

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

An object will _________________ in the direction that you push it.

What is accelerate

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 3 forms of energy

What is (any 3) 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

The baseball went farther than the basketball when your classmate hit them with an aluminum bat. This is an example of which law of motion?

What is Newton's Second Law of Motion.

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?
M
e
n
u