I don't have the energy for this.
Hank sits down to watch football on television. Which energy transformation make it possible for Hank to watch the football game? A. Light & Heat to Electrical B. Electrical to Sound & Light C. Heat to Sound & Light D. Light & Sound to Electrical
What is B. Electrical to Sound & Light
An example of an element: 1) H2O 2) CO2 3) He 4) NaCl
What is He?
Which of the following is a chemical change? 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
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
These organisms make their own food and form the base of a food web.
What are producers?
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
How many elements are in this chemical reaction?
H₂ + Cl₂ → 2HCl
What is 2?
If a Copper wire is cut into pieces is this a Chemical Change or Physical Change?
What is Physical Change?
There is wind push a sail boat 40 N West. The friction of the water is pushing back in the opposite direction of 15 N. What is the net force as a vector?
What is 25 N West
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
Evidence that an object has kinetic energy: An object A. stays still B. moves C. has mass D. does not bend
What is B. moves
Which material is a compound: Aluminum Copper Iron Steel
What is Steel?
A student conducts an investigation by combining 2 substances into a beaker. The student measured the mass of the substance before and after the trials in the investigation. The following observations were made:
1. A clear liquid
2. Volume Increased
3. Bubbles formed
Which of these is a sign of a chemical change?
What is 3. Bubbles formed?
F = M * A Force = Mass x Acceleration
What is Newton's Second Law of Motion
If a population of rabbits increases rapidly, this is likely to happen to the grass they eat.
What is it will decrease?
This type of energy transfer occurs when Earth’s surface is heated by the Sun’s rays.
What is radiation?
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
These ocean movements are caused mainly by the change in the gravitational pull of the moon.
What are tides?
The mass of a rock is 34 kg. Miss Hurlbut is pushing it at a velocity of 3 m/s to the right. What is the amount of force she is using in Newtons?
What is 102 Newtons
In a food web, this group of organisms breaks down dead plants and animals, returning nutrients to the soil.
What are decomposers?
Name 3 forms of energy
What is (any 3) Chemical, light, electrical, thermal, mechanical, potential, kinetic?
What are the elements found in Ammonia (NH3)?
What is Nitrogen and Hydrogen
This is the reason we experience a change of seasons on Earth.
What is the tilt of Earth's axis?
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.
This cell structure acts like a gatekeeper, controlling what enters and leaves the cell, and is found in both plant and animal cells.
What is the cell membrane?