Introduction to Cells

True or false? Cells come in only one shape and size.

• True

• False

Answer explanation

Cells have many different jobs. Think of brain cells, nerve cells, muscle cells, and more. They are all different, depending on the type of job they have!

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Living things are called

• animals.

• plants.

• organisms.

• plants and animals.

Answer explanation

There are many other living things besides plants and animals! Bacteria and mushrooms are 2 examples.

Tags

NGSS.MS-LS1-1

All organisms (living things) are made up of

• plants.

• cells.

• bones.

• skin.

Answer explanation

Did you know there are about 32 trillion cells in a human body?

Tags

NGSS.MS-LS1-1

Cells are also called

• the building blocks of life.

• Legos.

• the plants of life.

• the animals of life.

Answer explanation

How can you tell if something is alive? It's made of cells!

Tags

NGSS.MS-LS1-1

What is the smallest unit of life?

• An organism

• An animal

• A plant

• A cell

Answer explanation

Check out this organism! It is called paramecium, lives in the water and is made of one single cell.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Cells can

• take up nutrients and water.

• use energy and get rid of waste.

• interact with their environment.

• do all of the above.

Tags

NGSS.MS-LS1-2

What do we need in order to see most cells?

• A magnifying glass

• Our eyes

• A microscope

• Glasses

What does the prefix "uni" mean? Think of the words unicycle, unibrow, uniform, unicorn.

• One

• Many

• A few

So what is an unicellular organism? An organisms that consists of

• many cells.

• just a few cells.

• one cell.

Tags

NGSS.MS-LS1-1

What does the prefix "multi" mean? Think of the words multiple, multicolored, multimillionaire.

• Many

• A ton

• One