sceince

What type of heat transfer takes place from sun to earth?

Radiation

The ozone layer absorbs energy and protects life on Earth. Some chemicals called CFCs have damaged the ozone layer which o these explains what happens when the ozone layer is damaged.

Fewer UV rays are absorbed or reflected by the atmosphere and more reach earths surface

Which of the following is not one of the types of waves that come from the sun

Geothermal

Which type of radiation causes our skin to burn

UV

Which is the correct order of the layers of the atmosphere from outermost to innermost

Thermosphere, mesosphere, stratosphere, troposphere

Temperature is the _________ amount of motion of each partial substance

Average

Thermal energy is the ________ amount of motion of each particle of a substance

Total

The greenhouse effect supports life on earth, it is caused when energy from the sun is _______________

Trapped by the atmosphere

If the concentration of carbon dioxide gas continues to increase it will cause _____________ on earth

Temperature to increase

Which of the following is not true concerning the Earths energy budget.

20% of the suns energy is absorbed by the ocean

The more energy an atom has the ________ it moves and the ________ its thermal energy

Faster, higher

When a substance receives enough energy to move from a liquid to as gas this is its _________ and when a substance receives enough energy to move from a solid to a liquid this is its _____

Boiling point, melting point

Heat only flows from a warmer object to a cooler object true or false?

True

The transfer of heat by the movement of fluid

Convection

The transfer of energy by electromagnetic waves

Radiation

The transfer of heat between two substances that are in a direct contact

Conduction

Which of the following methods of heat transfer is being used in the following scenario boiling water

Convection

Melting hot butter in a pan

Conduction

Microwaving chocolate cake

Radiation

Heating a tortilla in a pan on the stove

Conduction

Toasting a marshmallow over an open flame

Radiation

Heating apple cider until it steam rises from the pot

Convection

The cycle of warming and cooling air is called a ____________

Convection current

The answer to 24 is the cause of wind true or false?

True

What causes wind? Choose the two answers that apply

Difference is high and low pressure winds

Which instrument measures wind speed and pressure

Anthanometer

Warmer air is more dense and rises about cooler air which sinks True or false

False

Look at the map, predict what will happen in Florida due to the jet stream

Warmer temps

When there is a difference in air pressure, air moves and wind is created true or false

True

The reason we have areas of high and low pressure is because the from the sun true or false

False

What would happen if there were no global winds to evenly distribute the energy from the sun

Life would be restricted to only a few continents

Wind are named by the direction they _______________

Come from

Pick the names used for two global winds

Trade winds and polar easterlies

Pick the names used for two calm areas encircle the globe

Doldrums and horse latitudes

Winds curve as they move North and south creating a swirling pattern because the earth rotates. In northern hemisphere the global winds turn to the ____________ and the winds southern hemisphere the global winds to to the ________

Clockwise, counterclockwise

Winds and waters rotate as the earth rotates according to the Coriolis effect true or false

True

Cutting bending or crushing are examples of what kind of change

Physical change

What kind of change is the formation of dust

Chemical change

Plants use sunlight to convert carbon dioxide and water into glucose in a process called photosynthesis what kind of change was this

Chemical change

Substances that undergo chemical changes are called _______ and what they form are called ________

Reactants, products

What is the best way to be certain that a chemical reaction has occurred

A new substance has formed

Milk, cirtirc acid, and rennet react to make cheese. What evidence is presented to show that a chemical reaction occurred

Formation of a precipitation

Yeast cells consume sugars that are in flour. In the process the yeast produces alcohol and carbon dioxide gas and is altogether instrumental in the process of making bread rise. What evidence is presented to show that a chemical reaction occurred

Gas production

When iron is placed in a blue copper sulfate solution the iron and copper ions are switched so that the product becomes a green iron sulfate covered in reddish-brown copper deposits. What evidence is presented to show that a chemical reaction has occurred

Color change

A reaction when more energy is required to break the bonds of the reactants than is released by the formation of the products. In other words mor energy is absorbed than released.

Endothermic reaction

A reactant ion where the energy released is greater than the energy required to break the bonds of the reactants

Exothermic reaction

Catalysts slow down reactions and inhibitors speed up reactions true or false

False

The rate of a chemical reaction increases when temperature increases true or false

True

The higher the concentration of reactants the slower the reaction rate will be

False

A BIG 2 in an equation is? A small two is? An arrow in an equation is? 1st part of a equation is? Second part of an equation is

Coefficient, subscript, yields, reactant, product

The mass of the reaction before and after is the same given that nothing is added or taken away from the reaction system true or false

True

Two or more elements or compounds combine to make a more complex substance

Synthesis

One element replaces another or two elements trade places

Replacement

Compounds break down into simpler products

Decomposition

A synergistic material is made by humans from natural resources true or false

True

What is a long chain of the same molecule repeated over and over again

Polymer

What is a molecule that can bind with other identical molecules to form a long chain

Monomer

What is the most common type of synthetic polymer

Plastics

An elements atomic ______ is the average of all the isotopes of that element

Mass

Horizontal rows in the periodic table are known as

Periods

The vertical columns in the periodic table are known as

Groups

1. 22 what is #1,2,3,4 named

2. TI

3. 47.90

4. Titanium

1. Atomic number 2. Chemical symbol 3. Atomic mass 4. Atomic name

What are the three subtopic particles in atom?

Protons, neutrons electrons

What is the friendliest element that usually makes spawns with the most other elements?

Hydrogen

Each atom has a certain number of valence electrons. The number of valence electrons is specific to each element and Adam may have form 1 to ________ valence electrons

8

Elements are classified as metals nonmetals, or _________, depending on their physical chemical properties

Metalloids

The ease and speed which an element combines with other substances is called it’s

Reactivity

_______ conductivity is the ability of an object to transfer heat ___________ conductivity is the ability to carry electric current

Thermal, electrical

An elements valence electrons determine how reactive it is

True

An atom or group of atoms with either a positive or negative charge is called an

Ion

When a neutral atom gains an electron it becomes more

Negative

When a neutral atom loses an electron, it becomes more

Positive

Ionic bonds are usually bonds between

Metals and nonmetals

Atoms in ionic bonds _________ their electrons while atoms in covalent bonds ______ their electrons

Transfer, share

Charged ions or charge poles are attracted to ________ charged ions or poles

Opposite

The ease and speed, which in an element combines or reacts with other substances is called its

Reactivity

The first group in the periodic table is called the

Alkali metals

What physical property of metals makes them shiny

Luster

Bohr models show only the valence electrons while electron dot diagrams show all the electrons of an atom. True or false

False

If you examine the periodic table, you can see that nonmetals make up most of the elements true or false

True

Mendeleev Orginal periodic table was sorted by atomic mass instead of atomic number true or false

True

The vertical columns in the periodic table are known as

Groups

Who si the beer qb in the nfl according to Mr laut

Josh Allen