Estimate Mass Lesson

Mass

By eric wood

What is mass?

​Mass is the amount of matter in an object.

Some text here about the topic of discussion

Multiple Choice

What is mass?

• a car

• a balance

• The amount of matter in an object

• How much gravity something has

What tool do we use to measure​ mass?

​We use a pan balance.

Multiple Select

What tool do we use to measure mass? (2 answers)

• A pan balance

• A scale

• A meter stick

​How do we know when a balance is even?

Multiple Choice

Select the balance that shows equal masses

Multiple Choice

Which has more mass, the rocket ship or chicken?

• rocket ship

• Chicken

• They are equal

Multiple Choice

Which one has more mass, the truck or peanut butter?

• Truck

• Peanut butter

• they are equal

Multiple Choice

Which one has LESS mass, the boat or dog?

• boat

• dog

• they are equal

Multiple Choice

Which one has LESS mass, the egg or the chocolate?

• egg

• chocolate

• they are equal

Multiple Choice

Which one has more mass, the robot or the dumbells?

• robot

• dumbells

• they are equal

Units of mass

​What are some things we can use to find the mass of something?

paperclips, pencils, soda can, markers...

​Jellybeans, dinkies, _______

​We can use the mass of 2 objects to compare them. For example we can use paperclips to estimate the mass of a pencil.

Some things are better to use to find mass.

Subject | Subject

Some text here about the topic of discussion

• mass of a dog, better to use paper clips or jug of water?

• mass of car, better to use jellybeans or bikes?

• mass of sandwich, better use dimes or paint cans?

Multiple Choice

Which unit would be best to find the mass of a cat?

• chocolate bar

• TV

• jug of juice

• pumpkin

Multiple Choice

Which unit would be best to find the mass of your teacher?

• pumpkins

• jellybeans

• paperclips

• pencils

Multiple Choice

Which unit would be best to measure the mass of a cell phone?

• watermelons

• dinkies

• bikes

• jug of milk

The mass of a cell phone is about

• ​1 glass of water

• 2 bananas

• 5 hotdogs​

We can estimate (guess) the mass of something using the mass of something we already know.

because each thing has a different mass

​Why are the numbers different?

Multiple Choice

Estimate the mass of a pencil.

• 10 jellybeans

• 25 tomatoes

• 1 paper clip

• 10 chocolate bars

Multiple Choice

estimate the mass of a dinky.

• 10 pencils

• 2 pumpkins

• 20 puppies

• 2 stickers

Multiple Choice

Estimate the mass of a pumpkin.

• 3 jugs of milk

• 10 dinkies

• 3 cell phones

• 5 jelly beans

We can order things by their mass

Put these items in order from least to greatest mass.

• Bike, pencil, book

• Person, truck, paper

• Apple, eagle, bear​

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Name 3 things in order from least mass to greatest mass

Open Ended

What did you learn today?

Please write at least 3 sentences.