In which state of matter do particles have the most freedom of movement?

All of the above have the same freedom of movement.

What can be a limitation of scientific model?

They cannot perfectly capture all the complexities of a system

They are never updated or improved.

They are only used in physics, not other sciences.

They are all based on real-world data.

Which of the following CAN NOT be a scientific model for the atom?

A song with lyrics full of subatomic particles and their charges

An image (picture, concept map, flowchart, etc.) that considers all laws of science

A round Styrofoam colored with parts representing electrons and other subatomic particles

A computerized interactive game where you can put subatomic particles and guess the correct image for atom

Why is the Plum Pudding Model helpful for scientists?

It shows how atoms are mostly empty space.

It shows how atoms are indivisible particles.

It shows electrons have specific energy level

It shows the nucleus is the most massive part of the atom

What is the characteristic of solid particles as seen in its particle model?

Vibrating in place with minimal space between them.

Moving freely and spread far apart.

Arranged in a specific pattern but with large gaps

Flowing around each other and constantly changing positions.

What can you say about the particles of liquid in contrast with a solid?

More freedom to move and more spaces between them

A predictable pattern of movement.

The same amount of movement and spacing.

Less movement and are more tightly packed.

What happens to the particles of a material being heated?

Moves farther away from each other

Slightly compacted but can move

Gains more definite shape and compactness

Nothing happens because heat is not absorbed

What would you do if you are being told to convert solid to liquid?

Melt down the ice by boiling it into a hot pot

Store the pack of water into the refrigerator.

Blow some air to a big plastic to create a huge balloon

What can you say about the movement (speed) of the particles of solid, liquid, and gas based on this model?

Gas particles are the fastest among solids and liquids.

The speed of the particles is the same in all states of matter.

Solid particles are the fastest to move compared to liquid and gas.

The speed of the particles is not affected by temperature.

What do you think is happening in the substance in terms of temperature change?

Temperature was increased, and the substance was liquified.

Temperature dropped and solidified the substance.

The liquid substance was heated and evaporated as gas.

The liquid substance was frozen and became solid.

How did the Kinetic Molecular Theory describe the particles of a solid?

Constantly moving with large spaces between them.

Completely still and packed together.

Constantly moving with very small spaces between them

What is the movement of the particles in a gas?

Moving rapidly with large spaces between them.

Moving very slowly and tightly packed together.

Moving very slowly with large spaces between them.

Which has a direct relationship with temperature?

Average kinetic energy (speed) of its particles.

Type of intermolecular forces present.

According to Kinetic Molecular Theory, what happens to the particles in a substance as its temperature increases?

Their arrangement doesn't change.

In which state of matter do particles have the most freedom of movement?

All of the above have the same freedom of movement.

What happens to the particles of a substance during melting?

Don't change their energy or arrangement.

Change their arrangement but not their speed.

Which of the following is NOT a factor affecting condensation?

Presence of water vapor in the air

What happens to the particles as a gas cool down and condenses?

Lose energy and move closer together.

Lose energy but maintain the same spacing.

How can a scientist know if his/her hypothesis is effective or not?

conclude based on gathered info from others

Which question would be the best high-level Scientific question?

Does the amount of salt in water affect the temperature at which it boils?

How many giraffes live in Africa?

How long ago did dinosaurs live on Earth?

All the following describes a solution EXCEPT:

Cannot pass through filter paper

Can be separated by physical means

The two components of a solution are solute and solvent. Which statement describes the solute?

It is the component of a solution in smaller quantity.

It is the solid formed in a solution.

It is the liquid component of the solution.

It is the component of a solution in bigger quantity.

What is the reason why homogeneous and heterogeneous mixtures are different?

Homogeneous looks the same throughout, with heterogeneous you can see the different parts.

Heterogeneous has 2 substances while homogeneous has 3 or more substances.

Heterogeneous looks the same throughout, with homogeneous you can see the different parts.

Both have an equal number of substances.

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we call anything that occupies space and has mass?

Gas

Liquid

Matter

Solid

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What state of matter is characterized by having a definite shape and a definite volume?

Gas

Liquid

Solid

Plasma

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do scientists use models?

They are exact representations of reality.

They only exist in computer simulations.

They are always simple and easy to understand.

They can be used to test ideas and make predictions

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What substance is cannot be broken down into simpler substances by chemical reactions?

compound

element

molecule

nucleus

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What object is consist of two or more atoms that chemically bonded together?

nucleus

molecules

particles

solid

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following states of matter has particles arranged most closely together?

Solid

Liquid

Gas

All of the above

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you call the process of changing a solid into liquid by heating it?

Melting

Freezing

Evaporation

Condensation

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Science 7 Reviewer

What do we call anything that occupies space and has mass?

What state of matter is characterized by having a definite shape and a definite volume?

Why do scientists use models?

What substance is cannot be broken down into simpler substances by chemical reactions?

What object is consist of two or more atoms that chemically bonded together?

Which of the following states of matter has particles arranged most closely together?

What do you call the process of changing a solid into liquid by heating it?

In which state of matter do particles have the most freedom of movement?

What can be a limitation of scientific model?

What process is involved in everyday fog formation?

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