MATTER

Bakersfield City School DistrictSummer School 2014

Second Grade

MATTER

Bakersfield City School DistrictSummer School 2014

Second Grade

What is a Scientist?What is a Scientist?• Scientist learn about the world around

them by investigating and explaining.

What is a quadrant?What is a quadrant?

• Quadrant is one part of something that is evenly divided into four parts.

What is matter?What is matter?

•Matter is everything around you, including you!

• Matter is what all things are made of.

Matter has 3 forms.Matter has 3 forms.

1. Solid1. Solid

2. Liquid2. Liquid

3. Gas3. Gas

Water is matter.

Did you know it comes in all 3 forms?

Water is matter.

Did you know it comes in all 3 forms?

A SolidA Solid A LiquidA Liquid A GasA Gas

ice water vaporwater

Vocabulary Day 2Vocabulary Day 2

Matter has certain properties.Matter has certain properties.

• Matter can have color.• Matter can be different sizes.• Matter can have different shapes.• Matter can have texture.• Matter can be rigid or bendable.

• Matter also takes up space and has mass.

Properties are the characteristics of matter, how something looks or feels.

Properties are the characteristics of matter, how something looks or feels.

Categorize: We can group objects by their properties.

How can we categorize these objects?

Categorize: We can group objects by their properties.

How can we categorize these objects?

1.We can sort them by color.One property is color.

Red

Green

Yellow

Large objects

Small objects

2. We can sort them by size. A second property is size.

Circles

Squares Triangles

3. We can sort them by shape. A third property is shape.

4. We can sort them by texture? A fourth property is texture.

4. We can sort them by texture? A fourth property is texture.

5. We can sort them by volume.A fifth property is volume.

5. We can sort them by volume.A fifth property is volume.

Vocabulary Day 3Vocabulary Day 3

What is a hypothesis?What is a hypothesis?

• Have you ever made a guess or a prediction?

• Have you ever predicted how a story was going to end?

• Have you ever predicted who was going to win the game?

• If you answered “Yes!” then you have made a hypothesis.

HypothesisHypothesis

• A hypothesis is basically a guess or prediction based on what you think might

happen or what you think will be true.

•

• It can then be either proved or disproved by observation or collecting data.

Vocabulary Day 4Vocabulary Day 4

What is a solid?What is a solid?

• A solid has its own shape.

• A solid does not change unless you cut, crush, bend, or break it.

• Solids take up space and have mass.

Are all solids the same?Are all solids the same?

These solids are rigid.

These solids are bendable.

Vocabulary Day 5Vocabulary Day 5

What does mix mean?What does mix mean?

A mix is when two or more different qualities or things are combined or put

together.

What is a mixture?What is a mixture?

• A mixture forms when two or more substances combine.

– Keeps its physical properties– Can be separated by their physical

properties– Do not form a new substance

•

Salad is an example of a mixture.Salad is an example of a mixture.

• Salad is an example of a

mixture.

The lettuce and vegetables do not

change when mixed.

Vocabulary Day 6Vocabulary Day 6

LiquidsLiquids

• Liquids do not have their own shape.

• Liquids take the shape of their container.

• Liquids take up space and have mass.

LiquidsLiquids

• Liquids–pour

–flow

Vocabulary Day 7Vocabulary Day 7

What is a container?What is a container?

• A container is an object that can be used to hold or transport something.

What is a measuring cup?What is a measuring cup?

• A measuring cup is marked in graded amounts and used for measuring ingredients.

• A measuring cup can be used to measure ingredients when you want to make sure there are equal parts. Equal means being the same in quantity, size, degree, or value.

Vocabulary Day 8Vocabulary Day 8

What does viscosity mean?What does viscosity mean?

Viscosity means how a fluid moves when it is flowing.

A fluid with low viscosity is thicker so it flows slowly.

Like honey:

A fluid with high viscosity is thinner so it flows easily.

Vocabulary Day 9Vocabulary Day 9

What does energy mean?What does energy mean?

One type of energy is usable power

that comes from heat. Heat (energy)

comes from the sun.

Will the flow of a liquid change

if we add energy (heat) to it?

Vocabulary Day 11Vocabulary Day 11

What is a gas?What is a gas?

• Gases have no definite size or shape.

• Gases take the shape of their container.

• A common gas that’s all around us is air.

• A gas will fill all the space inside a container.

• Gases take up space and have mass.

Vocabulary Day 13Vocabulary Day 13

What is a chemical reaction?What is a chemical reaction?

A chemical reaction is a process where a set of substances undergo a chemical change to form a different substance.

Here’s an example:

We have 2 substances:

An egg and a heated pan =

cooked egg

What is a seal?What is a seal?

A seal is when you fasten, shut, close, or plug something securely and make it airtight.

Vocabulary Day 14Vocabulary Day 14

What is force?What is force?

Force is energy or strength. Force has the ability to direct or pressure something to act in a certain way.

When we blow air into

into a balloon, we are

forcing air into the

balloon. The pressure

of the air makes the

balloon get bigger.

Vocabulary Day 15Vocabulary Day 15

What do freeze, melt, and temperature mean?

What do freeze, melt, and temperature mean?

Temperature is a degree of hotness or coldness the can be measured using a thermometer.

Freeze is when something gets

so cold that it no longer has any

heat. Freezing turns a liquid

into a solid such as water to ice.

When heat changes something

from a solid to a liquid it melts,

such as ice to water. As a solid

loses its coldness it begins to melt.

What are freeze, melt, and temperature?

What are freeze, melt, and temperature?

With water:

When the temperature

goes down it gets colder

water freezes and turns to ice.

When the temperature

goes up it gets hotter and

ice melts.