# 5th Grade Science : Describe how matter is too small to see

## Example Questions

### Example Question #1 : Describe How Matter Is Too Small To See

Which of these is made of tiny particles?

none of these

all of these

plastic

water

grass

all of these

Explanation:

Matter is anything that takes up space. Matter is in the form of solid, liquid, or gas. Solids, liquids, and gases are made of tiny particles called atoms and molecules. In a solid, the particles are very attracted to each other. They are close together and vibrate in position but don’t move past one another. In a liquid, the particles are attracted to each other but not as much as they are in a solid. The particles of a liquid are close together, always moving, and can slide past one another. In a gas, the particles have very little attraction to each other. They are very far apart compared to the particles in a solid or liquid, and are constantly moving. The particles don’t interact with one another but just hit and bounce off of each other when they collide.

### Example Question #2 : Describe How Matter Is Too Small To See

Which of these best describes how the particles in a liquid move?

vibrate in position but don’t move past one another

close together, always moving, and can slide past one another

very far apart and are constantly moving

frozen in place and don’t move past one another

close together, always moving, and can slide past one another

Explanation:

Matter is anything that takes up space. Matter is in the form of solid, liquid, or gas. Solids, liquids, and gases are made of tiny particles called atoms and molecules. In a solid, the particles are very attracted to each other. They are close together and vibrate in position but don’t move past one another. In a liquid, the particles are attracted to each other but not as much as they are in a solid. The particles of a liquid are close together, always moving, and can slide past one another. In a gas, the particles have very little attraction to each other. They are very far apart compared to the particles in a solid or liquid, and are constantly moving. The particles don’t interact with one another but just hit and bounce off of each other when they collide.

### Example Question #3 : Describe How Matter Is Too Small To See

molecules

tiny particles

atoms

all of these

none of these

all of these

Explanation:

Matter is anything that takes up space. Matter is in the form of solid, liquid, or gas. Solids, liquids, and gases are made of tiny particles called atoms and molecules. In a solid, the particles are very attracted to each other. They are close together and vibrate in position but don’t move past one another. In a liquid, the particles are attracted to each other but not as much as they are in a solid. The particles of a liquid are close together, always moving, and can slide past one another. In a gas, the particles have very little attraction to each other. They are very far apart compared to the particles in a solid or liquid, and are constantly moving. The particles don’t interact with one another but just hit and bounce off of each other when they collide.

### Example Question #1 : Describe How Matter Is Too Small To See

Which of these students is doing a demonstration that proves matter is made of tiny particles we cannot see?

• Monica blows air into a balloon and it gets bigger and bigger. She can't see anything inside the balloon, but she can feel that there is air in it!
• Deontay is ripping apart a piece of paper. He keeps ripping it into smaller pieces until he can't anymore. He thinks if he had a machine to keep ripping it, he could make it smaller.
• Celeste is using a light to grow plants in a dark closet indoors. The plants are growing even though they aren't in the sun!

Deontay

Celeste and Deontay

Celeste

Monica and Deontay

Monica

Monica

Explanation:

The answer is Monica because she is moving more matter (tiny particles) into a balloon and even though we cannot see them, we can see how the balloon gets larger. Deontay is correct that he could keep breaking things apart, but he has a hypothesis and is not conducting an experiment or a demonstration. Celeste's project is about photosynthesis.

Matter is anything that takes up space. Matter is in the form of solid, liquid, or gas. Solids, liquids, and gases are made of tiny particles called atoms and molecules. In a solid, the particles are very attracted to each other. They are close together and vibrate in position but don’t move past one another. In a liquid, the particles are attracted to each other but not as much as they are in a solid. The particles of a liquid are close together, always moving, and can slide past one another. In a gas, the particles have very little attraction to each other. They are very far apart compared to the particles in a solid or liquid, and are constantly moving. The particles don’t interact with one another but just hit and bounce off of each other when they collide.

### Example Question #5 : Describe How Matter Is Too Small To See

What type of matter is described below?

• In this type of matter, the particles have very little attraction to each other. They are far apart and frozen in place, but can slide past each other if necessary.

gas

solid

liquid

none of these

none of these

Explanation:

The answer is none of these because the description mixes several key features of solids, liquids, and gases.

Matter is anything that takes up space. Matter is in the form of solid, liquid, or gas. Solids, liquids, and gases are made of tiny particles called atoms and molecules. In a solid, the particles are very attracted to each other. They are close together and vibrate in position but don’t move past one another. In a liquid, the particles are attracted to each other but not as much as they are in a solid. The particles of a liquid are close together, always moving, and can slide past one another. In a gas, the particles have very little attraction to each other. They are very far apart compared to the particles in a solid or liquid, and are constantly moving. The particles don’t interact with one another but just hit and bounce off of each other when they collide.

### Example Question #1 : Describe How Matter Is Too Small To See

What are atoms?

Atoms are a type of subatomic particle with a negative charge.

Atoms are large chunks of elements.

Atoms are a type of subatomic particle with a neutral charge.

Atoms are the tiny building blocks of matter.

Atoms are the tiny building blocks of matter.

Explanation:

Atoms are what make up all matter. They are the smallest particles of any element. They still have the same properties as the element they make up. An atom of aluminum still has the same melting point as an aluminum can. They are so tiny we cannot see their color but if we zoomed in with a scanning tunneling microscope or electron microscope we would see they would be the same color.

### Example Question #1 : Describe How Matter Is Too Small To See

True or False: Atoms are too small to be seen with the naked eye.

True

False

True

Explanation:

Atoms are what make up all matter. They are the smallest particles of any element. They still have the same properties as the element they make up. An atom of aluminum still has the same melting point as an aluminum can. They are so tiny we cannot see their color, but if we zoomed in with a scanning tunneling microscope or electron microscope, we would see they would be the same color. We cannot see atoms with the naked eye. Trillions of atoms could fit inside the dot on top of the letter "i." The radius of an atom is less than one nanometer or a billionth of a meter.

### Example Question #8 : Describe How Matter Is Too Small To See

Inside of each atom (as tiny as they are) are even smaller individual particles called protons, neutrons, and electrons. Which of these particles has a negative charge?

Electron

Proton

Neutron

None of the answer choices are correct.

Electron

Explanation:

Electrons have a negative charge. The proton moves around the nucleus of an atom, which is in the center. The charge of an electron is opposite but equal to the charge of a proton. Atoms have the same number of electrons as protons. We cannot see these with our eyes, and even with a high-powered microscope, they are too tiny and too low in mass to see.

### Example Question #1 : Describe How Matter Is Too Small To See

What is the name of the scientific theory that recognizes that all matter is made of up parts that are too small to be seen without magnification?

Law of Thermodynamics

Newton's 3rd Law of Motion

Atomic Theory

Quantum Theory

Atomic Theory

Explanation:

Atomic theory is the name of the theory described in the question. Atoms are very tiny and cannot be seen without a microscope. They are made up of parts that determine what the atom is, how it acts, and its mass. Inside of atoms are protons, neutrons, and electrons.

### Example Question #1 : Describe How Matter Is Too Small To See

Which of these best describes how the particles in a solid move?

close together, always moving, and can slide past one another

vibrate in position but don’t move past one another

frozen in place and don’t move past one another

very far apart and are constantly moving