Matter & Atoms - Lesson 1 2025

Presentation

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-1, 5-PS1-1, 5-PS1-3

Standards-aligned

Jamie Smythe

Used 13+ times

FREE Resource

18 Slides • 16 Questions

Multiple Choice

Which statement best describes matter?

Anything that has mass and takes up space

Anything that can be seen

Anything that is a liquid

Anything that is alive

While watching, think about this:
What is the smallest unit we can cut everything around us down to?

PAUSE! LET'S WATCH THE BRAINPOP

Fill in the Blanks

Fill in the blank: Atoms are the smallest unit of

Multiple Choice

Why has the model of an atom changed over time?

Scientists discovered new evidence about atoms over time.

Scientists couldn't agree on what the atom looked like.

Atoms today are different than they were for Democritus in Greece.

Atoms are always changing and may be different in the future.

Fill in the Blanks

Atoms are made of three subatomic particles: proton, neutron, and

Match

Match the subatomic particle to their correct description.

-1

Proton

Neutron

Electron

Hotspot

Look at the following atom. Click on the NUCLEUS.

Hotspot

Look at the following atom. Click on the ELECTRON.

Multiple Select

Select all statements that are true about the nucleus of an atom.

It contains protons and neutrons.

It is located at the center of the atom.

It contains electrons.

It is densely packed.

Open Ended

Explain why the atomic model shown is considered a poor representation of an atom. (10 words or less)

Type response here

Multiple Choice

What property distinguishes atoms of one element from atoms of another?

Number of protons

Number of neutrons

Number of electrons

Size of nucleus

Fill in the Blanks

Look at the atom. What is it's atomic number?

Type answer...

Multiple Choice

What does the atomic mass of an element represent?

The number of protons and neutrons in an atom's nucleus

The number of electrons in an atom

The number of protons in an atom

The number of neutrons in an atom

Fill in the Blanks

Look at the atom. What is its atomic mass?

Type answer...

Fill in the Blanks

Atomic theory helps us determine what things are made of.

Fill in the blank: The smallest unit of matter that retains the properties of an element is called an

Make sure your notes are done!

Matter, Atom, Atomic Theory, Subatomic Particles, Proton, Neutron, Electron, Nucleus, Electron Cloud, Atomic Number, Atomic Mass

Go through your notes and make sure the following vocab is highlighted!

Multiple Choice

SSA Practice #1: Kamara was examining a model of an unknown atom, shown below. Which description best describes the structure shown as “X” in the diagram?

It is the electron cloud, which contains all of the protons and electrons of the atom.

It is the nucleus, which contains all of the protons and neutrons of the atom.

It is the electrons cloud, which contains all of the electrons of the atom.

It is the nucleus, which contains all of the protons of the atom.

Multiple Choice

SSA Practice #2: Which table below correctly identifies the properties of subatomic particles within the atom?

Show answer

Auto Play

Slide 1 / 34

SLIDE

Similar Resources on Wayground

30 questions

8.P.1.1

Presentation

•

8th Grade

24 questions

Rock Cycle

Presentation

•

8th Grade

26 questions

The Scientific Method

Presentation

•

7th - 8th Grade

25 questions

Graphing Lesson

Presentation

•

8th Grade

28 questions

Newton's 3 Laws of Motion

Presentation

•

7th - 8th Grade

25 questions

Inherited Traits

Presentation

•

8th Grade

25 questions

Cluster 4 Day 2-Food Webs and Ecology

Presentation

•

8th Grade

25 questions

LESSON - Cell Organelles

Presentation

•

8th Grade

Popular Resources on Wayground

10 questions

Safety Day 2026 – Student Review

Quiz

•

9th Grade

21 questions

Continents and Oceans

Quiz

•

6th Grade

20 questions

Parts of Speech

Quiz

•

5th Grade

16 questions

Subject & Predicate

Quiz

•

5th Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

12 questions

Map Skills

Quiz

•

3rd Grade

22 questions

Continents and Oceans

Quiz

•

5th Grade

15 questions

Rounding Decimals

Quiz

•

5th Grade

Discover more resources for Science

20 questions

Newton's Laws of Motion

Quiz

•

8th Grade

15 questions

potential and kinetic energy

Quiz

•

8th Grade

21 questions

Newton's Laws of Motion

Quiz

•

8th Grade

20 questions

Elements, Compounds and Mixtures

Quiz

•

8th Grade

10 questions

Exploring Chemical and Physical Changes

Interactive video

•

6th - 10th Grade

20 questions

Physical vs Chemical Changes

Quiz

•

8th Grade

20 questions

Conduction, convection, and Radiation Practice

Quiz

•

8th Grade

21 questions

Waves and Wave Properties

Quiz

•

6th - 8th Grade