STUDY GUIDE Chemical Reactions Chapter 1 Test

Oh no!!! The person across from you spills a container of an unknown substance on the table!! They see Mr. Dake did not notice and quickly clean it up. Its extremely obvious to you that they don't plan on telling Mr. Dake Which safety Guideline should you follow?

• 9
• 1
• 2
• 3
• 4

Scale in science means?

• The object you weigh yourself on
• It's what fish have on there sides
• Something that is made of all the same atoms or groups of atoms
• The relative size of things

Tags

NGSS.MS-ESS1-3

What is an Endothermic reaction?

• it is a reaction where the energy in an object disappears form existence
• it is a reaction that takes in energy from its surroundings and stores the energy away
• it is a reaction that releases stored energy
• it is a reaction that can only happen on certain planets in our solar system

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is an Exothermic reaction?

• it is a reaction where the energy in an object disappears form existence
• it is a reaction that takes in energy from its surroundings and stores the energy away
• it is a reaction that releases stored energy
• it is a reaction that can only happen on certain planets in our solar system

Tags

NGSS.MS-PS1-4

What is the science definition of model?

• A person who wears clothes and walks down a runway
• An object, diagram, or computer program that helps us understand something by making it simpler or easier to see
• Someone you look up to
• A starting substance that is part of a chemical reaction

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-2

NGSS.MS-PS1-1

Which of these is the correct order of labels?

• 1. Atom 2. Extended structure 3. Repeating atom group 4. Molecules
• 1. Atom 2. Repeating atom group 3. Extended structure 4. Molecules
• 1. Repeating atom group 2. Atom 3. Extended structure 4. Molecules
• 1. Molecules 2. Repeating atom group 3. Extended structure 4. Atom

Tags

NGSS.MS-PS1-1

Atom in science means?

• Something that is made of all the same atoms or groups of atoms
• The tiny pieces that all matter, all the stuff in the world, is made of
• Something that can be observed about a substance, such as its color, smell, or boiling point
• The relative size of things

Tags

NGSS.MS-PS1-1

Property in science means?

• Land you can own
• The items that you own such as a cellphone or hat
• Something that can be observed about a substance, such as its color, smell, or boiling point
• Something that is made of all the same atoms or groups of atoms

Tags

NGSS.MS-PS1-2

Different substances have different properties.

• True
• False

Tags

NGSS.MS-PS1-2

All the atoms in this water bottle are the same. As a scientist what would we call the water in this bottle?

• Macroscale
• Substance
• Scale
• Property

Tags

NGSS.MS-PS1-1