What is true of the particles of a solid?

Definite shape and definite volume

What happens to a gas when heat is removed and it begins to cool?

It will go from a gas to a liquid

The bell rings at 7:45 to signal to begin class. How does the bell receive energy to produce sound?

Electrons carried in a complete circuit cause the bell to vibrate

Which of the following describes a difference between a mixture and solution?

A mixture maintains their own properties

You combine salt,sugar and water. The salt and sugar seem to disappear. Why did they disappear?

The molecules spread out evenly in the water

It's cold outside, and you don't have any gloves. Which kind of material should you ask for?

a material that is a good insulator

What can you say about sugar and sand when mixed with water?

Sugar is soluble in water, sand is not

What caused the pencil in water to appear to be bent?

The light moving through the air into the water

The acrylic cube sank to the bottom and the wood cube floated on top of the water. Conclusion?

The acrylic cube is more dense than the wood cube

A student mixed sugar, sand and water. What do you know about the solubility of these substances?

Sugar is soluble in water, but sand is not

What is true of light energy when it comes in contact with a smooth, shiny surface?

The light will bounce back at the same angle it came in at

Mrs. Kelly burnt her bread in the toaster. What type of energy was used to burn the bread?

electrical energy to thermal energy

You mix together oil & water. There is too much oil. What is the best way to remove some oil?

Let oil rise to top and pour some out

What is one thing that all musical instruments have in common?

They all use a vibration to make sound waves

What happens to light when it comes in contact with a lens?

The light ray is refracted then scattered

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Matter and Energy

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Questions 23

Answers

1
All matter has mass. What is another property that all matter shares?
Reflects light
Takes up space
Same boiling point
Has a definite shape
2
Which item could be used in a complete circuit?
Insulator like a paperclip
Conductor like aluminum foil
Conductor like a rubber band
Insulator like plastic spoon
3
What is true of the particles of a solid?
Definite shape and definite volume
It expands to the shape of it's container
Takes the volume of its container
Takes the shape of it's container
4
What happens to a gas when heat is removed and it begins to cool?
It will go from a gas to a solid
It will go from a gas to a liquid
Nothing changes
It goes from a gas to melting point
5
The bell rings at 7:45 to signal to begin class. How does the bell receive energy to produce sound?
Sound waves travel through the air creating thermal energy
Sound waves in the air hit the bell, causing it to vibrate and make sound
Electrons form light energy which hits the bell causing it to ring
Electrons carried in a complete circuit cause the bell to vibrate
6
Which of the following describes a difference between a mixture and solution?
The mixture ingredients will change to a liquid
The solution ingredients maintains their own properties
A mixture maintains their own properties
The solution ingredients will become a gas
7
You have 10 grams of ice cubes. What is the mass of the ice cubes after they melt?
5 grams
5 grams
10 grams
20 grams
8
You combine salt,sugar and water. The salt and sugar seem to disappear. Why did they disappear?
The molecules spread out evenly in the water
The sugar molecules turned into water
The salt molecules turned into water
The sugar and salt evaporated
9
It's cold outside, and you don't have any gloves. Which kind of material should you ask for?
a material with a low boiling point
a material that is a good insulator
a material that is a good conductor
a material with high mass
10
What can you say about sugar and sand when mixed with water?
Sugar is soluble in water, sand is not
Sand is soluble in water, sugar is not
Both sand and water are soluble in water
Sugar will sink to the bottom and sand will float on top
11
Water can exist in three states. What are these?
solid, liquid, and gas
evaporated, condensed, and boiled
freezing, boiling, and evaporated
boiling, freezing, and melting
12
Which activity is an example of Mechanical Energy?
A toaster heating bread
A chromebook charging
A plant absorbing sunlight
Shark chasing a seal
13
What caused the pencil in water to appear to be bent?
The light moving through the air into the water
The light mving through the air hitting the cup
The light moving through the air hitting the pencil
The light moving through the air
14
The acrylic cube sank to the bottom and the wood cube floated on top of the water. Conclusion?
The wood cube has more mass
The acrylic cube is more dense than the wood cube
The wood cube is more dense
The acrylic cube is less dense than the wood cube
15
Flowing steam makes turbines spin. What type of energy is being used?
Sound and light
Mechanical and sound
Light and thermal
Thermal and Mechanical
16
A student mixed sugar, sand and water. What do you know about the solubility of these substances?
If stirred, the sand will have the same solubility as sugar
Sugar and sand have the same solubility
Sugar is soluble in water, but sand is not
Sand is soluble in water, but sugar is not
17
What is true of light energy when it comes in contact with a smooth, shiny surface?
The light is absored
The light passes through and bends
The light will bounce back at the same angle it came in at
The light will bounce back at a different angle
18
Which insulator would be BEST in keeping ice cubes from melting?
wrap the cup in cloth
styrofoam
paper cup
wrap the cup in foil
19
Mrs. Kelly burnt her bread in the toaster. What type of energy was used to burn the bread?
Light energy to mechanical
Mechanical energy to sound energy
Thermal energy to electrical energy
electrical energy to thermal energy
20
You mix together oil & water. There is too much oil. What is the best way to remove some oil?
Boil the mixture so the oil evaporates
Keep shaking and mixing
Let the oil sink to the bottom and drain
Let oil rise to top and pour some out
21
What is one thing that all musical instruments have in common?
They all have strings
They all use a vibration to make sound waves
All the sound waves are the same volume
They all send sound waves in direction
22
What happens to light when it comes in contact with a lens?
The light ray is absorbed and them scattered
The light ray is reflected and them scattered
The light ray is reflected and them absorbed
The light ray is refracted then scattered
23
In which state(s) does water have a definite mass, volume and shape?
Melting
Gas
Solid
Liquid

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