Fall 2023 semester review

A + B --> AB

• synthesis

• decomposition

• single replacement

• combusion

Tags

NGSS.MS-PS1-5

What should you yell if you break glass in Mrs Keaveney's class?

• oops

• whoopsie

• emergency

• gosh darn it

2 ANSWERS. What is a true statement about weight and mass?

• Gravity can change the mass of an object

• Gravity can change the weight of an object.

• Mass is constant.

• Weight is constant.

What do you wear to protect your eyes during lab experiments?

• Apron

• Gloves

• Goggles

• Fire blanket

What is the metric unit for mass?

• Liter

• Meter

• Gram

• Second

What is the metric unit for volume?

• Liter

• Meter

• Gram

• Second

How do you write 2.3 x 10^3 in standard notation?

• 0.23

• 23

• 2300

• 230

What type of change is required to form a compound?

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What scientist discovered electrons?

• Bohr

• Thompson

• Rutherford

• Democritus

Who discovered that an atom has a small, dense, positively charged nucleus?

• Bohr

• Rutherford

• Thompson

• Dalton