Science- Chapter 1 Lesson 3

The properties of salts are different from the properties of the elements that make them.

• true
• false

Which one can be found on the periodic table?

• Compound 
• Element

A _____________ is a substance that is made of 2 or more elements that are chemically combined.

• atom
• cell
• element
• compound

Label the change as a chemical change or a physical change.
Burning wood is a ________ change.

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Label the change as a chemical change or a physical change.
Melting ice cream is a ___________.

• chemical
• physical

Tags

NGSS.MS-PS1-4

What is a compound?

• an atom with more electrons than protons
• a substance in which the atoms of two or more elements are combined together
• an atom with more neutrons than protons
• a substance in which the atoms of three or more elements are combined together

Tags

NGSS.MS-PS1-1

Is this symbol an element or a compound?
H₂O

• element
• compound

Tags

NGSS.MS-PS1-1

Is this symbol an element or compound?
O₂

• Element
• Compound

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

• Co
• O₂
• C
• CO₂

Tags

NGSS.MS-PS1-1

Which of the following is also known as water?

• H₂O
• H₂
• O₂
• Au

Tags

NGSS.MS-PS1-1