Quiz about 6th Grade Semester 1 Science Review

Question 1

While elements and compounds are related, they are different. Unlike elements, compounds -

Accepted Answer

are made of at least two types of matter

Answer

consist of only one type of atom

Answer

are the smallest form of a particle

Answer

exist only as pure substances

Question 2

Which of the following is a compound?

Accepted Answer

Water

Answer

Oxygen

Answer

Chlorine

Answer

Aluminum

Question 3

Which of the following elements is one of the major components of living organisms?

Accepted Answer

Carbon

Answer

Sulfur

Answer

Copper

Answer

Silicon

Question 4

This table has two columns of different kinds of matter. Which of the following is the best label for the second column?

Accepted Answer

Compounds

Answer

Atoms

Answer

Pure substances

Answer

Mixtures

Question 5

Which of the following is the best description of an element?

Accepted Answer

A substance that cannot be broken down into simpler substances

Answer

A naturally occurring mineral made of more than one substances

Answer

A small particle made with a specific chemical composition

Answer

A collection of atoms that have different abilities when joined together

Question 6

The smallest particle of any particular type of matter is known by which of the following terms?

Accepted Answer

Atom

Answer

Element

Answer

Chemical

Answer

Compound

Question 7

The oceans are primarily composed of which two elements?

Accepted Answer

Hydrogen and oxygen

Answer

Carbon and hydrogen

Answer

Calcium and silicon

Answer

Nitrogen and phosphorus

Question 8

All of the following elements are major components of living things on Earth EXCEPT -

Accepted Answer

sulfur

Answer

nitrogen

Answer

carbon

Answer

oxygen

Question 9

Which of the following situations provides evidence that a chemical change has taken place?

Accepted Answer

Two liquids are mixed, and a solid substance forms.

Answer

Water, when boiled, evaporates and turns into vapor.

Answer

Sugar, when added to iced tea, dissolves into the liquid.

Answer

A piece of paper is cut into many small pieces.

Question 10

Which of the following would indicate the formation of a new substance?

Accepted Answer

Bubbles and fizzing occur

Answer

A liquid turns to a solid

Answer

A sample of metal melts

Answer

A solid dissolves in a liquid

Question 11

Four substances were mixed with a clear liquid. The observations are recorded in the following table. Based on the observations, for which mixture is there the best evidence that a new substance was formed?

Accepted Answer

Substance 3

Answer

Substance 1

Answer

Substance 2

Answer

Substance 4

Question 12

A student notices that sugar, when heated over a flame, turns black. How does the student know that a new substance is being formed?

Accepted Answer

The color of the sugar changes to black.

Answer

The temperature of the sugar increases.

Answer

Sugar began to melt within the test tube.

Answer

Sugar started as white crystals.

Question 13

The image shows what happens when cold medicine tablets are placed in room-temperature water. What evidence would indicate that a new substance is produced?

Accepted Answer

Bubbles are given off.

Answer

The tablets dissolve in water.

Answer

The water becomes cloudy.

Answer

The water level increases slightly.

Question 14

Four mixtures are made by combining two clear liquids and observations are made. Which results indicate that a new substance has formed?

Accepted Answer

Mixture 2: The liquids, when mixed, produce a white solid which settles to the bottom.

Answer

Mixture 1: The combined liquids have a greater mass than either of the starting liquids.

Answer

Mixture 3: The mixture of the two liquids takes the shape of the container they are in.

Answer

Mixture 4: The denser of the two liquids lies below the other, less dense, liquid.

Question 15

The table shows the classification and physical state of four elements. Which element most likely has a shiny luster?

Accepted Answer

Cobalt

Answer

Arsenic

Answer

Hydrogen

Answer

Carbon

Question 16

Conductivity is a physical property of matter that describes its ability to

Accepted Answer

transfer thermal and electrical energy.

Answer

reflect light from its lustrous surface.

Answer

exist in nature as a solid, liquid, or gas.

Answer

be hammered and rolled into thin sheets.

Question 17

The table shows the properties of three classifications of elements. What are the best headings for columns A, B, and C?

Accepted Answer

A) Non-metals, (B) Metalloids, and (C) Metals

Answer

A) Metals, (B) Non-metals, and (C) Metalloids

Answer

A) Metals, (B) Metalloids, and (C) Non-metals

Answer

A) Non-metals, (B) Metals, and (C) Metalloids

Question 18

Unlike non-metals, most metals tend to

Accepted Answer

conduct electricity and heat well.

Answer

be gases at room temperature.

Answer

break easily when hammered.

Answer

have less luster and shine.

Question 19

Density is calculated by dividing the mass of a substance by its -

Accepted Answer

volume.

Answer

weight.

Answer

length.

Answer

temperature.

Question 20

The density of water is 1 g/cm A substance will float if its density is less than that of water. Which of the following substances will float?

Accepted Answer

Substance 4

Answer

Substance 1

Answer

Substance 2

Answer

Substance 3

Question 21

The table provided shows the masses and volumes of four rocks. Which rock has the greatest density?

Accepted Answer

Rock 2

Answer

Rock 1

Answer

Rock 3

Answer

Rock 4

Question 22

The table provided shows the masses and volumes of four liquids. A student has a mystery liquid with a density of 3 g/mL. Which liquid does the student have?

Accepted Answer

Liquid 2

Answer

Liquid 1

Answer

Liquid 3

Answer

Liquid 4

Question 23

A diamonds density is 3.2 g/cm3Determine the volume of a diamond that has a mass of 0.10 g.

Accepted Answer

0.031 cm3

Answer

0.31 cm3

Answer

3.2 cm3

Answer

32 cm3

Question 24

The table provided gives the densities of four transparent materials A student has a clear block of an unknown substance and needs to determine the identity of the substance. The mass of the block is 23.9 grams. The block displaces 8.8 mL of water when dropped in a graduated cylinder. What is the identity of the substance?

Accepted Answer

Quartz

Answer

Polyethylene

Answer

Lucite

Answer

Glass

Question 25

Which of the following is the correct calculation for determining the density of an object with a mass of 54 g and a volume of 6 mL?

Accepted Answer

54 / 6

Answer

6 / 54

Answer

6 x 54

Answer

6 + 54

Question 26

A sapphires density is 3.98 g/cm3Which of the following gemstones, based on its density, might be a sapphire?

Accepted Answer

Gemstone #2: mass =7.96 g, volume =2 cm³

Answer

Gemstone #1: mass =1 g, volume =1 cm³

Answer

Gemstone #3: mass =50 g, volume =4 cm³

Answer

Gemstone #4: mass =25.6 g, volume =8 cm³

Question 27

One disadvantage to using coal to produce electricity is that coal -

Accepted Answer

is not environmentally friendly.

Answer

forms in a short amount of time.

Answer

is abundant over a wide area.

Answer

is relatively quite affordable.

Question 28

At which positions of the pendulum would have the most potential energy?

Accepted Answer

1 and 5

Answer

1 and 2

Answer

2 and 3

Answer

4 and 5

Question 29

When would the skateboarder have the most potential energy?

Accepted Answer

At the top of the ramp

Answer

While rolling down the ramp

Answer

While moving up the ramp

Answer

At the bottom of the ramp

Question 30

The image here shows four soccer balls at four different locations on an uneven soccer field very near sea level. Which soccer ball has the greatest amount of potential energy?

Accepted Answer

Ball B

Answer

Ball A

Answer

Ball C

Answer

Ball D

Question 31

Students conducted an experiment by stretching the same rubber band to various lengths, releasing it, and measuring how far it traveled. Based on the chart, what conclusion can be drawn?

Accepted Answer

The more potential energy put into a rubber band, the more kinetic energy released.

Answer

The more mass that a rubber band has, the more difficult it is to move.

Answer

The shorter the length of a rubber band, the less energy can be stored it it.

Answer

The farther a rubber band travels, the less it can be stretched later on.

Question 32

Which of the following best represents potential energy?

Accepted Answer

A marble sitting at the top of a ramp

Answer

Air leaking rapidly from a car tire

Answer

Heat radiating from a large forest fire

Answer

Water flowing through a rubber hose

Question 33

As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?

Accepted Answer

Potential decreases and kinetic increases

Answer

Potential and kinetic energy both increase

Answer

Potential increases and kinetic decreases

Answer

Potential and kinetic energy both decrease

Question 34

Students conduct an experiment using a toy car with the mass of 10g, a toy car with the mass of 20g, and a toy car with the mass of 30g. The students want to test the cars on a ramp and measure how far the cars traveled. Evaluate the information and determine what is the question they are trying to test with this experiment?

Accepted Answer

Does the mass of the car influence the amount of kinetic energy?

Answer

Does the height of the ramp influence the amount of potential energy?

Answer

Does the amount of incline determine how far the car will travel?

Answer

Does the mass of the object influence the amount of potential energy?

Question 35

An object that is at rest will begin to move if which of the following is true?

Accepted Answer

Unbalanced forces act on the object

Answer

The surface on which it rests is frictionless

Answer

The mass of the object is sufficient

Answer

Gravity on the object can be reduced

Question 36

Which two measurements are needed in order to calculate the speed of an object in motion?

Accepted Answer

Distance and time

Answer

Time and mass

Answer

Force and distance

Answer

Volume and time

Question 37

The simplified graph shows the motion of an object as measured and recorded in consistent units of time and distance. From the graph, it can be concluded that the object was moving -

Accepted Answer

at a constant speed.

Answer

in an upward direction.

Answer

faster as time went on.

Answer

for a short amount of time.

Question 38

Time and distance data for a bicycle is provided in the graph. According to the data in the graph, what was the average speed of the bicycle?

Accepted Answer

5 meters/second

Answer

1 meter/second

Answer

4 meters/second

Answer

20 meters/second

Question 39

If the distance an object travels and the time it takes to travel the distance are known, which of the following can be calculated?

Accepted Answer

Average speed

Answer

Average acceleration

Answer

Instantaneous speed

Answer

Instantaneous acceleration

Question 40

Students are graphing data they recorded of a marble rolling across the floor in the classroom. Which of the following accurately describes a correct assignment of a label to the graph?

Accepted Answer

"Distance in Centimeters" on the y-axis

Answer

"Time in Inches" on the y-axis

Answer

"Distance in Minutes" on the x-axis

Answer

"Time in Meters" on the x-axis

Question 41

Which of the following will require the least force to move the load up the inclined plane?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 42

Three metal cubes with different temperatures are placed side-by-side as shown in the picture provided. Which of the following describes a way in which heat energy will be transferred by conduction.

Accepted Answer

Sample 2 to Sample 3

Answer

Sample 1 to Sample 2

Answer

Sample 3 to Sample 2

Answer

Sample 3 to Sample 1

Question 43

Four containers made of different materials, each containing water at 45C, were set out on a table. The initial temperature of the water was recorded. The temperature of the water was also recorded 15 minutes later. Which container was the most effective at preventing heat transfer from the water to the environment?

Accepted Answer

Container A

Answer

Container B

Answer

Container C

Answer

Container D

Question 44

Which of the following is an example of heat transfer by conduction?

Accepted Answer

A metal spoon getting hot in a bowl of soup

Answer

Sunlight warming a room early in the morning

Answer

Warm and cold water circulating in an ocean

Answer

Hot air rising and cold air sinking on a beach

Question 45

Which of the following is an example of heat transfer through radiation?

Accepted Answer

Beach sand getting warmed by the Sun

Answer

A pot of soup warming on a hot burner

Answer

A crayon melting on a hot sidewalk

Answer

An egg getting cooked in a pot of boiling water

Question 46

Water at 34C was placed into containers made of four different materials. An initial temperature was taken, and a final temperature was taken after 10 minutes. Which container allowed the most transfer of thermal energy from the water to the environment?

Accepted Answer

Glass

Answer

Wood

Answer

Paper

Answer

Plastic

Question 47

Which of these is an example of light energy being transformed into chemical energy?

Accepted Answer

A plant makes sugar in the sunlight.

Answer

A glow stick lights up when broken.

Answer

Water heated by the sun evaporates.

Answer

A battery causes a buzzer to vibrate.

Question 48

Which type of energy transformation occurs when a flashlight shines?

Accepted Answer

Chemical -> thermal -> light

Answer

Chemical ->thermal -> electrical

Answer

Thermal -> chemical -> light

Answer

Chemical -> electrical -> chemical

Question 49

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

Accepted Answer

Electrical to light

Answer

Chemical to light

Answer

Electrical to chemical

Answer

Chemical to electrical

Question 50

When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occur?

Accepted Answer

Mechanical -> Electrical -> Light

Answer

Electrical -> Light -> Mechanical

Answer

Chemical -> Mechanical -> Electrical

Answer

Mechanical -> Chemical -> Light

Question 51

The chart lists some substances and their symbols.

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 52

What would be a potential problem when collecting wind energy?

Accepted Answer

Wind is unpredictable.

Answer

Wind is nonrenewable.

Answer

Wind makes pollutants.

Answer

Wind turbines are cheap to make.

Question 53

What is the disadvantage of using an inclined plane to lift a heavy object?

Accepted Answer

The object must be moved a greater distance.

Answer

It takes less effort to move the object.

Answer

Many objects are difficult to lift straight up.

Answer

Heavy objects usually take up more space.

Question 54

Which of the following decreases when an object is moved using an inclined plane?

Accepted Answer

The force needed to move the object

Answer

The distance the object moves

Answer

The pull of gravity on the object

Answer

The amount of space the object occupies

Question 55

When an object is lifted directly from the ground rather than moved with an inclined plane, which of the following will be increased?

Accepted Answer

The force needed to move the object

Answer

The mass of the object

Answer

The work done on the object

Answer

The amount of friction acting on the object

Question 56

Which kind of energy change occurs when a candle is burning?

Accepted Answer

Chemical to light

Answer

Light to electrical

Answer

Solar to heat

Answer

Chemical to electrical

6th Grade Semester 1 Science Review

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