Based upon these charts, which of the following is true?

Both Earth's crust and atmosphere contain oxygen.

Most of the nitrogen on Earth is found in the crust.

Silicon is the second most abundant element in the Earth's atmosphere.

The majority of the Earth's crust is composed of iron.

Which of the following is true about the elements in the Earth's crust?

There is more silicon in the crust than there is potassium.

The crust is mostly made of silicone.

There is about four times more oxygen than aluminum.

There is more magnesium than there is oxygen.

Read the following information and use it to answer the question. Silicon is a very common element on Earth. It makes up about 28% of the Earth's crust and is symbolized as Si. You can find silicon in rocks, sand, clay, and soil, but it is usually mixed with other elements like oxygen. The mixtures are called silica and silicates. Scientists can get pure silicon, which is hard and shiny. Pure silicon is used to make computer chips and electronics. Sand and clay (which have silica) are used to make concrete and bricks. Silicates (a compound made of silicon and oxygen) help make glass and pottery. Silicones, made from silicon and other elements, are used in things like waterproofing and lubricants. Based upon this information, which type of silicon would a computer engineer most likely use in their daily work?

Silicone (a combination of silicon and other elements)

Silicates with silicon and oxygen

Read the following information and use it to answer the question. Silicon is a very common element on Earth. It makes up about 28% of the Earth's crust and is symbolized as Si. You can find silicon in rocks, sand, clay, and soil, but it is usually mixed with other elements like oxygen. The mixtures are called silica and silicates. Scientists can get pure silicon, which is hard and shiny. Pure silicon is used to make computer chips and electronics. Sand and clay (which have silica) are used to make concrete and bricks. Silicates (a compound made of silicon and oxygen) help make glass and pottery. Silicones, made from silicon and other elements, are used in things like waterproofing and lubricants. Based upon this information, which type of silicon would a construction engineer most likely use in their daily work?

Silicone (a combination of silicon and other elements)

Silicates with silicon and oxygen

A student wants to test how different amounts of heat affect the time it takes for a chemical reaction to occur with two different elements. The student hypothesizes that increasing the heat will make the reaction happen faster. In this experiment, what is the independent variable?

The final temperature of the reaction

A science class is experimenting with how different temperatures affect the rate of a chemical reaction. They use three different temperatures: 20°C, 30°C, and 40°C. They then mix a fixed amount of vinegar with baking soda at each temperature and measure how quickly the bubbles form. What is the dependent variable in this experiment?

The speed at which the bubbles form

The temperature of the reaction

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NGSS

MS-PS1-1, MS-PS1-5, MS-ESS2-1

Standards-aligned

Emani Braxton

Used 18+ times

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20 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The basic building blocks of all matter are—

Molecules

Atoms

Compounds

Mixtures

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Based upon this information, all carbon atoms—

Have 6 protons

Have 6 neutrons

Are missing a nucleus

Are missing electrons

Tags

NGSS.MS-PS1-1

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following are true about atoms? Choose 2 correct answers.

The properties of an atom are based on the number and arrangement of its subatomic particles.

Electrons are found inside the nucleus of the atom.

Atoms are made up of protons, neutrons, and electrons.

An element is a form of matter made up of two or more types of atoms that have been chemically bonded together.

Atoms of an element always have the same number of neutrons.

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Atomic Number for Neon is 10, and the Atomic Number for Boron is 5 How many more protons does Neon have than Boron? Write the number in the box.

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Silicon can also be represented by "Si". This is called Silicon's chemical—

Code

Icon

Sign

Symbol

MULTIPLE SELECT QUESTION

30 sec • 1 pt

The chemical formula for methane is
CH₄. C is the symbol for Carbon and H is the symbol for Hydrogen. Which of the following are true about methane? Choose 2 correct answers.

There are 4 nitrogen atoms in ammonium.

There are 4 hydrogen atoms in methane.

Carbon and hydrogen are chemically bonded.

Nitrogen and hydrogen are mixed but not bonded.

There are 4 more nitrogen atoms than there are hydrogen atoms.

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chemical formula for table salt is NaCl, where Na = Sodium and Cl = Chloride. If a coefficient is placed in front of Na making 3 sodium atoms, there will be _____ chloride atom(s). Write the correct number in the box:

Tags

NGSS.MS-PS1-1

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Atomic Adventures Test Review

20 questions

The basic building blocks of all matter are—

Based upon this information, all carbon atoms—

Which of the following are true about atoms? Choose 2 correct answers.

The Atomic Number for Neon is 10, and the Atomic Number for Boron is 5 How many more protons does Neon have than Boron? Write the number in the box.

Silicon can also be represented by "Si". This is called Silicon's chemical—

The chemical formula for methane is
CH₄. C is the symbol for Carbon and H is the symbol for Hydrogen. Which of the following are true about methane? Choose 2 correct answers.

The chemical formula for table salt is NaCl, where Na = Sodium and Cl = Chloride. If a coefficient is placed in front of Na making 3 sodium atoms, there will be _____ chloride atom(s). Write the correct number in the box:

What is the product in this equation?

Which is another way to show this chemical equation?

Chemical bonds are formed between which parts of atoms?

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Atomic Adventures Test Review

20 questions

The basic building blocks of all matter are—

Based upon this information, all carbon atoms—

Which of the following are true about atoms? Choose 2 correct answers.

The Atomic Number for Neon is 10, and the Atomic Number for Boron is 5 How many more protons does Neon have than Boron? Write the number in the box.

Silicon can also be represented by "Si". This is called Silicon's chemical—

The chemical formula for methane is CH₄. C is the symbol for Carbon and H is the symbol for Hydrogen. Which of the following are true about methane? Choose 2 correct answers.

The chemical formula for table salt is NaCl, where Na = Sodium and Cl = Chloride. If a coefficient is placed in front of Na making 3 sodium atoms, there will be _____ chloride atom(s). Write the correct number in the box:

What is the product in this equation?

Which is another way to show this chemical equation?

Chemical bonds are formed between which parts of atoms?

Access all questions and much more by creating a free account

Similar Resources on Wayground

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Discover more resources for Science

The chemical formula for methane is
CH₄. C is the symbol for Carbon and H is the symbol for Hydrogen. Which of the following are true about methane? Choose 2 correct answers.