What does "rearrange" mean?

To not add or take away but to move things around. To remix

To make sure to read all of the answers on the quiz

To not just choose the longest answer because sometimes teachers put in long answers to make sure you are paying attention.

To not pick the shortest answer

The diagram above shows the repeating groups of atoms that make up two samples. Both samples are red powdery solids at room temperature. Will the other properties of the two samples be the same or different? (Examples of properties are smell, color, and the temperature at which a substance melts.)

The other properties will be same because the repeating groups of atoms that make up the two samples are the same.

The other properties will be different because there are more repeating groups of atoms in Sample 1.

The other properties will be the same because both samples are red at room temperature.

The other properties will be the same because both samples are powdery solids at room temperature.

Can one substance change into another substance? (read carefully)

Yes, because atoms can be rearranged.

No, because things can mix, but they can't change into new things

Yes, because new atoms can be created

No, because atoms can not be destroyed

The diagram above shows the repeating groups of atoms that make up two samples. Both samples are solids at room temperature. Will the other properties of the two samples likely be the same or different? (Examples of properties are smell, color, and the temperature at which a substance melts.)

The other properties will likely be different because the repeating groups of atoms that make up the two samples have different numbers of atoms.

The other properties will likely be different because there are more repeating groups of atoms in Sample 2.

The other properties will likely be the same because the repeating groups of atoms that make up the two samples have the same types of atoms.

The other properties will likely be the same because both samples are solids at room temperature.

A starting substance before a chemical reaction

What happens when you have the reflexes of a ninja and can react quickly.

Samira watched a demonstration in which a scientist combined two substances in a sealed container and analyzed the results. The ending substances did not look the same as the starting substances. Samira was given a diagram with the repeating groups of atoms that make up the starting substances, plus information about the properties of the starting and ending substances. She created a model of the repeating groups of atoms that might make up the two ending substances.

Samira's model correctly demonstrates how the properties changed with the rearrangement of the atoms. However not all atoms are accounted for. There is a missing reactant.

Samira's model is correct because the properties are different and the atoms are rearranged.

Samira's model is incorrect because not all atoms are accounted for

Samira's model correctly demonstrates how the properties changed with the rearrangement of the atoms. However not all atoms are accounted for. There is a missing product.

What is a product (in chemical reactions)?

The substance(s) that are created after a chemical reaction

Something a company will try to sell to you

When the mitosis space-time folds into a tetrahedron flux-capacitor

The diagram above shows the repeating groups of atoms that make up two samples. Both samples are gases at room temperature. Will the other properties of the samples likely be the same or different? (Examples of properties are smell, color, and the temperature at which a substance melts.)

The other properties will likely be different because the repeating groups of atoms that make up the two samples have different numbers of atoms.

The other properties will likely be the same because the repeating groups of atoms that make up the two samples have the same types of atoms.

The other properties will likely be the same because both samples are gases at room temperature.

The other properties will likely be different because there are more repeating groups of atoms in Sample 1.

The Hydrogen (H)s and the Oxygen (O)s are atoms

The Hydrogen (H)s and the Oxygen (O)s are molecules

The diagram above shows the repeating groups of atoms that make up two samples. Will the properties of the two samples likely be the same or different? (Examples of properties are smell, color, and the temperature at which a substance melts.)

The properties will likely be different because the repeating groups of atoms that make up each sample are different.

The properties will likely be different because there are more repeating groups of atoms in Sample 2.

The properties will likely be the same because the repeating groups of atoms that make up the two samples have one of the same types of atoms.

The properties will likely be the same because the repeating groups of atoms that make up the two samples have the same number of atoms.

The Law of Conservation of Mass states

that matter cannot be created or destroyed and that the mass of the products must equal the mass of the reactants

that matter exists in all states and reacts the same

that matter can only be changed into new substances by introducing a catalyst

that matter exists in the same state throughout any chemical change

Amplify Chemical Reaction Review

Quiz

•

Science

•

7th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-2, MS-PS1-1, MS-PS1-5

+10

Standards-aligned

Devonna Wolfe

Used 953+ times

FREE Resource

52 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or false? Chemical reactions are easily reversible

True

False

Tags

NGSS.HS-PS1-6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or false: A change in state is a chemical reaction

True - something melting would be an example of a chemical reaction

False - a change in state is a physical change

Tags

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a word equation, the starting chemicals are called...

reactants

products

ingredients

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In this chemical reaction, which is the product/s?
Magnesium + Oxygen --> Magnesium oxide

magnesium

magnesium and oxygen

magnesium oxide

oxygen

Tags

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A material that burns to transfer energy is called a...

compound

wood

fuel

petrol

Tags

NGSS.MS-PS3-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the scientific term given when something burns?

a fuel

flammable

combustion

heating

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a fuel need in order to burn?

fuel

electricity

oxygen

hydrogen

Tags

NGSS.HS-PS1-5

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Amplify Chemical Reaction Review

52 questions

True or false? Chemical reactions are easily reversible

True or false: A change in state is a chemical reaction

In a word equation, the starting chemicals are called...

In this chemical reaction, which is the product/s?
Magnesium + Oxygen --> Magnesium oxide

A material that burns to transfer energy is called a...

What is the scientific term given when something burns?

What does a fuel need in order to burn?

When energy is transferred from the substances to the surroundings during a chemical reaction, what type of reaction is this?

In an endothermic reaction is energy transferred to the surroundings or to the substances?

In a chemical reaction, the temperature is measured and it appears to increase. Is this an example of an exothermic or endothermic reaction?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Amplify Chemical Reaction Review

52 questions

True or false? Chemical reactions are easily reversible

True or false: A change in state is a chemical reaction

In a word equation, the starting chemicals are called...

In this chemical reaction, which is the product/s?Magnesium + Oxygen --> Magnesium oxide

A material that burns to transfer energy is called a...

What is the scientific term given when something burns?

What does a fuel need in order to burn?

When energy is transferred from the substances to the surroundings during a chemical reaction, what type of reaction is this?

In an endothermic reaction is energy transferred to the surroundings or to the substances?

In a chemical reaction, the temperature is measured and it appears to increase. Is this an example of an exothermic or endothermic reaction?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

In this chemical reaction, which is the product/s?
Magnesium + Oxygen --> Magnesium oxide