5th grade Topic 1, lesson 1: Matter

1. A material that cannot be broken down into anything simpler by chemical reactions is a _____.

• a. ingredient

• b. element

• c. solid

• d. gas

2.  Which is the name of the center of an atom?

• a. proton

• b. neutron

• c. electron

• d. nucleus

3. Particles with more than one atom joined together are called _____.

• a. protons

• b. elements

• c. molecules

• d. nucleus

Tags

NGSS.MS-PS1-1

4. A water molecule can be broken down into _____ and _____ atoms.

• a. helium; oxygen

• b. neon; hydrogen

• c. oxygen; carbon

• d. hydrogen; oxygen

Tags

NGSS.MS-PS1-1

5.  What can you find in the nucleus of an atom?

• a. electrons and protons

• b. protons and neutrons

• c. electrons and neutrons

• d. hydrogen and helium

6. The color, odor, and density of a substance are all _____.

• a. imagined properties

• b. material properties

• c. physical properties

• d. chemical properties

7. Table salt is an example of a(n) ____________ that is made up of two or more elements.

• a. atom

• b. compound

• c. gas

• d. liquid

Tags

NGSS.MS-PS1-1

8. Which is not a possible sign of a physical change?

• a. a change in appearance

• b. a change in volume

• c. the release of energy

• d. a change in states of matter

Tags

NGSS.MS-PS1-4

9. When Mendeleev published his periodic table, there were some spaces for undiscovered elements. The image below is a section of a similar table. A reasonable value for the atomic mass of the missing element is __________.

• a. 101

• b. 72.3

• c. 68.2

• d. 34.8

How many elements are on the Periodic Table?

• 4

• 246

• 101

• 118

• 72