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Which box represents a pure element material

1st and 3rd box

In the boxes shown above, each solid circle represents an atom of the same element. How many different types of molecules are depicted in the above transformation

2 types

Which box shows a pure compound

2nd box

What is a scientific fact

A phenomenon about which competent observers can agree on

In science changing your mind when confronted with evidence that does not agree with your thinking is seen as ...

Acceptable

Science art and religion do not contradict one another because

All three have different domains

The height of a wave up and down is called

Amplitude

Most chemist focus on

Applied research to provide us with new technology

What is the basic building block of life? What do those objects make?

Atoms and they make everything

In the periodic table, that are relatively larger in size appear in size appear in the

Bottom left side

If 2 protons and two neutrons were removed from oxygen, the element would be

Carbon

Does this image show a physical or chemical change

Chemical change

What happens during a chemical change

Creates a new substance that is not reversible

Write the scientific name for water. H2O is incorrect

Dihydrogen monoxide

Most of the size of an atom, the space it occupies, is in it

Electron cloud

A compound is made of atoms from different

Elements

Solid matter is mostly___ ___ because the atoms that compromise it or themselves mostly___ ___

Empty space, empty space

Electromagnetic energy travels and waves. These waves can vary in their frequencies and wavelengths. Electromagnetic energy is classified by the lengths and frequencies of its waves. Of the four wave types below which has the highest frequency

Gamma ultraviolet x-rays visible light

What does the size of an atom do as you move from left to right on the periodic table

Gets smaller

The element copper, silver, and gold are in the same

Group

Consider molecules of hydrogen gas and molecules of heavier oxygen gas that have the same kinetic energy. The molecules with more speed are

Hydrogen

For most atoms, compared with the atomic number, the atomic mass is

Larger

How do you find an atoms atomic number given by the element

Look in top left corner

Most are the atoms in the periodic table are

Metals

This feature makes that a hypothesis scientific is that

Must be testable

Which have been around longer the atoms and a newborn baby or those in older person

Neither they're the same age

Which type of elements are least able to combine with other elements

Noble gases

Most of the mass and atom is in it

Nucleus

How many experiments does it take to show that I hypothesis is fake

One

What are collums and rows called in the periodic table

Periods

The most basic of the physical sciences is

Physics

Science build on one another which sequence best illustrates this

Physics chemistry earth science astronomy

What are charges of the subatomic particles

Protons (positive), Neutrons (neutral) and Electrons (negative)

Describe a mechanical wave

Requires a medium to travel through

Give an example of a chemical change and physical change

Ripping paper and rust

What is the difference between a scientific theory and hypothesis

Series have been tested hypothesis haven't

The circles in the boxes shown above represent the submicroscopic particles of a material in its 3 phases. From left to right these are

Solid liquid and gas

Describe how atoms move in solids, liquids, and gases

Solid vibrate, liquid move a little, gas move freely

The difference between a cup of hot chocolate and a cup of cooled chocolate has to do with the difference between in molecular

Speed

Molecules are considered microscopic,submicroscopic or macroscopic

Submicroscopic

Which one of the following statements is a scientific hypothesis

The backside of the moon has cities about the size of Chicago

The highest point of the Waves called

The crest

Radiant energy is the source of electromagnetic waves which include X-ray and frayed and ultraviolet waves among others. The diagram below shows the electromagnetic spectrum describe the speed of these waves in a vacuum based off the image above

The speed of light

What is a scientific theory? Hypothesis?

Theory is well tested hypothesis is an educated guess

Tony is studying the types of waves that occur during earthquakes. He finds a diagram of an s-wave that shows how the waves make the Earth move what type of wave is an s-wave?

Transverse

What is the name given to the lowest point of a wave? Highest?

Trough is the lowest and Crest is the highest

Energy from the Sun arrives as electromagnetic radiation with a wide range of wavelengths and frequencies. Which forms of electromagnetic radiation has more energy than visible light waves have?

UV x-ray gamma

The invisible part of the electromagnetic spectrum consists of the colors that we see in a rainbow. Different colors correspond to different wavelengths of light. Which color of visible light has the shortest wavelength question mark longest wavelength?

Violet has the shortest and radio has the longest

The distance between each wave is called

Wavelength

The electrons called valence electrons reside in

an atom's outermost shell

Technology is the application of...

science

The lowest point of a wave is called

trough

The physical properties of a compound are

uniquely different from the physical properties of the elements from which it is made

What are the outermost electrons called?

valence electrons


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