Test 1 Review 2024

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

Tags

NGSS.MS-PS1-2

Which of the following dimensional analysis set-ups, when solved, would give you the number of seconds in one week?

• A

• B

• C

• D

How many sig. fig. are in the number below:
0.056

• 1
• 2
• 3
• 4

How many sig. fig. are in the number below:
705000

• 2
• 3
• 5
• 6

Solve and give your answer using correct sig figs: 123 x 3.34

• 411

• 410.82

• 410.8

• 410

Solve and report your answer using correct sig figs: 3.12 + 0.8 + 1.033

• 4.9

• 4.953

• 5

• 5.0

Which of the following is a product of complete combustion?

• oxygen

• limewater

• cobalt chloride

• water

What do we use limewater to test for?

• carbon dioxide

• water

• heat

• smoke

Which of these is a physical property?

• Water is boiling in a beaker on the hot plate.

• The melting point of gold is 1064 degrees Celsius.

• Potassium will react with water violently.

• The iron fence is rusting.

Syrup is on the bottom of this bottle because it is ________ than water.

• heavier

• lighter

• more dense

• less dense

Tags

NGSS.MS-PS1-2