Use the image below to answer the question. The image below is a student drawing of methane. Image: Methane Key: H = Hydrogen C = Carbon Which of the following best explains why the students drawing of methane is incorrect?

The students switched the atoms around in methane. Students should create a model showing one carbon (C) atom connected to four hydrogen (H) atoms.

The students did not switch the atoms around in methane. The students labeled the drawing correctly.

The students did not use all atoms found in methane. Students should create a model showing four carbon (C) atoms connected to four hydrogen (H) atoms.

The students did not use all atoms found in methane. Students should create a model showing four carbon (C) atoms connected to one hydrogen (H) atoms.

Why does liquid water take the shape of a cup it is poured into, but solid ice does not take the shape of a cup it is poured into?

The molecules of liquid water can easily move around one another but the molecules of solid ice cannot.

The molecules of liquid water are softer than the molecules of solid ice.

The molecules of liquid water are smaller than the molecules of solid ice.

The molecules of liquid water are moving but the molecules of solid ice are not.

A student is asked to conduct an investigation that will determine a physical property of a cube-shaped solid block of salt sample. Which procedure best measures a physical property of the sample?

1. Use a ruler to measure the length of one side of the sample. 2. Record this value to the nearest millimeter. 3. Place the sample on the digital balance. 4. Record this value to the nearest tenth of a gram.

1. Measure 10 mL of vinegar (acetic acid) in a graduated cylinder. 2. Pour the acetic acid into a beaker. 3. Drop the sample into the beaker of acetic acid to determine what happens to the sample. 4. Record your observations.

1. Gently break the solid sample into smaller pieces using a hammer. 2. Use long-handled forceps to pick up one of the small sample pieces. 3. Hold the small sample piece in the flame of a Bunsen burner for a few seconds to determine what happens to the sample. 4. Record your observations.

1. Cut away two different-sized pieces of the sample and place into a container on a hot plate. 2. Place two thermometers in the containers, one touching each sample. 3. Record the time it takes the temperature of the smaller sample to increase 1°C. 4. Continue to heat the sample. 5. Record the time it takes the temperature of the larger sample to increase 1°C. 6. Subtract the value in step 3 from the value in step 5.

Use the data table below to answer the question. A student determines the volume, density, and boiling point of three colorless liquids and lists them in the data table. | Volume (mL) | Density (g/mL) | Boiling Point (°C) | Color | |-------------|----------------|--------------------|--------| | Liquid 1 | 10 mL | 0.79 g/mL | 56 | colorless | | Liquid 2 | 50 mL | 0.79 g/mL | 78 | colorless | | Liquid 3 | 10 mL | 1.0 g/mL | 100 | colorless | Which of the following can be determined using information on the data table?

Liquids 1 and 2 could be the same substance because they have the same density.

Liquids 1 and 3 could be the same substance could be the same substance because they have the same volume.

Liquids 1, 2, and 3 could be the same substance because they are all clear liquids.

None of the liquids could be the same substance because they have different combinations of density, boiling point, and color.

José would like to determine the density of an aluminum nail. He already knows the mass of the nail. What additional information does he need to know to determine the density of the aluminum nail?

José needs to determine the volume of the nail to determine the density.

José needs to determine the weight of the nail to determine the density.

José needs to determine the height of the nail to determine the density.

José needs to determine the diameter of the nail to determine the density.

Which of the following explains how energy is transferred through convection?

The movement of soup while being heated.

The pot of soup touching the flames.

A hand that touches the handle of the pot.

The warmth coming from the flames.

Use the diagram to answer the question. Which of the following best describes how heat energy moves from inside the stove to warm the air outside of the stove?

Heat energy moves inside the stove by convection and warms the air outside the stove by radiation.

Heat energy moves inside the stove by reflection and warms the air outside the stove by radiation.

Heat energy moves inside the stove by circulation and warms the air outside the stove by conduction.

Heat energy moves inside the stove by expansion and warms the air outside the stove by convection.

Which statement best compares conduction and convection?

Conduction transfers heat through direct contact, while convection transfers heat through the movement of fluids.

Conduction and convection both transfer heat through solids.

Conduction transfers heat from hotter objects to colder objects, while convection transfers heat from hotter objects to colder objects.

Conduction transfers heat from colder objects to hotter objects, while convection transfers heat from hotter objects to colder objects.

The following model shows thermal energy increasing in a substance. Which of the following explains how a temperature increase impacts the behavior of particles in a substance?

Particles move faster and spread apart.

Particles move slower and get closer together.

Particles change into a different substance.

Based on the thermal conductivity data, which of the following pair of materials would be best to use for the body and the handle of a cooking pot?

Copper for the body and rubber for the handle.

Iron for the body and copper for the handle.

Tin for the body and aluminum for the handle.

Aluminum for the body and wood for the handle.

In an investigation comparing the transfer of thermal energy, what would be the dependent variable?

The change in temperature over time.

Which of the following is a characteristic of a good conductor?

A good conductor allows heat and electricity to flow easily.

A good conductor resists the flow of heat and electricity.

A good conductor is usually made of non-metals.

A good conductor is used to prevent heat loss.

A student claims that a wooden spoon is a better conductor of heat than a metal spoon. Which evidence would best dispute this claim?

A metal spoon heats up faster in a pot of hot water.

Wood can be carved into different shapes.

Which of the following is necessary for an electrical circuit to work?

A complete loop through which current can flow.

A conductor, an insulator, and a switch.

A battery, a lightbulb, and a motor.

In an electrical circuit, what happens when a switch is opened?

The circuit becomes a parallel circuit.

Which of the following statements is true for the properties of Wave 2?

Frequency is higher because there are more crests in the same length of rope than there are in the other waves.

Wave speed is faster because it has more crests than the other ropes.

Frequency is higher because it has a larger wavelength than the other ropes.

Wave speed faster because the rope is moving up and down faster than the other ropes.

A scientist wants to investigate the relationship between the electromagnetic spectrum and sight. Which of the following investigations would be most effective?

Shining different colors of light through a prism and observing how they are refracted.

Measuring the temperature of different colors of light.

Building a model of the human eye.

Recording the sounds made by different types of musical instruments.

You are conducting an investigation to explore how different colors of light affect plant growth. You have three identical plants. Plant A is exposed to red light, Plant B is exposed to green light, and Plant C is exposed to white light. Which of the following is the dependent variable in this investigation?

The color of light each plant is exposed to.

The amount of water given to each plant.

When a tuning fork vibrates it produces a sound. Which of the following describes the relationship between pitch and rate of vibration?

Tuning fork 1 would have a higher pitch than tuning fork 2 because it would vibrate faster.

Tuning fork 1 would have a lower pitch than tuning fork 2 because it would vibrate faster.

Tuning fork 2 would have a higher pitch than tuning fork 1 because it would vibrate faster.

Tuning fork 2 would have a lower pitch than tuning fork 1 because it would vibrate faster.

A group of students wants to investigate the relationship between sound waves and hearing. Which of the following investigations would be most effective?

Testing how different materials affect the loudness of a sound by striking a tuning fork and placing it against various surfaces.

Measuring the temperature of different sounds.

Building a model of the human ear.

Shining different colors of light through a prism and observing how they are refracted.

Which of the following best explains why the lower part of the child appears so much different in size from the upper part of the child?

The light waves that travel through water and then into air are refracted.

The light waves that travel through water and then into air are enlarged.

The light rays that travel through air and then into water are reflected.

The light rays that travel through air and then into water are absorbed.

6th Grade Science (quarters 1&2)

Authored by Katharine Justus

Science

6th Grade

NGSS covered

Used 5+ times

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41 questions

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does the red sphere in the water molecule model most likely represent?

Hydrogen atom

Oxygen atom

Carbon atom

Nitrogen atom

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many hydrogen atoms are present in one molecule of H₂?

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many atoms of oxygen are present in one molecule of Carbon Dioxide (CO₂)?

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many atoms are present in one molecule of Nitrogen (N)?

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many hydrogen atoms are present in one molecule of Methane (CH₄)?

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which description best describes how the atoms make up the molecule in figure 1?

Two hydrogen (H) atoms and two oxygen (O) atoms in a water molecule.

One hydrogen (H) atom and two oxygen (O) atoms in a water molecule.

Two hydrogen (H) atoms and no oxygen (O) atom in a water molecule.

Two hydrogen (H) atoms and one oxygen (O) atom in a water molecule.

Tags

NGSS.MS-PS1-1

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Which of the following is a molecule that contains two or more atoms? You can choose more than one correct answer.

H₂

CO₂

CH₄

Tags

NGSS.MS-PS1-1

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6th Grade Science (quarters 1&2)

What does the red sphere in the water molecule model most likely represent?

How many hydrogen atoms are present in one molecule of H₂?

How many atoms of oxygen are present in one molecule of Carbon Dioxide (CO₂)?

How many atoms are present in one molecule of Nitrogen (N)?

How many hydrogen atoms are present in one molecule of Methane (CH₄)?

Which description best describes how the atoms make up the molecule in figure 1?

Which of the following is a molecule that contains two or more atoms? You can choose more than one correct answer.

Use the image below to answer the question. The image below is a student drawing of methane. Image: Methane Key: H = Hydrogen C = Carbon Which of the following best explains why the students drawing of methane is incorrect?

Which model shows the structure and movement of particles in a liquid?

The three jars show the movement of particles in three states of matter. Which sequence of jars shows the change of motion of particles when thermal energy is removed?

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