Weight Measurement Quiz

Which of these items is most likely to weigh exactly 50 grams?

• A pencil

• A small apple

• A paperclip

• A feather

Answer explanation

A small apple typically weighs around 50 grams, making it the most likely item to match this weight. In contrast, a pencil, paperclip, and feather generally weigh much less.

If you have three different objects weighing 10g, 25g, and 15g, what is their total weight?

• 40g

• 50g

• 60g

• 70g

Answer explanation

To find the total weight, add the weights of the three objects: 10g + 25g + 15g = 50g. Therefore, the correct answer is 50g.

Estimate the mass of a standard eraser. Is it closer to:

• 5 grams

• 15 grams

• 50 grams

• 100 grams

Answer explanation

A standard eraser typically weighs around 15 grams, making it the closest estimate compared to the other options. 5 grams is too light, while 50 and 100 grams are too heavy.

What tool would you use to measure the mass of a small object in grams?

• Ruler

• Thermometer

• Balance

• Protractor

Answer explanation

A balance is the appropriate tool for measuring the mass of small objects in grams, as it provides accurate weight measurements. A ruler measures length, a thermometer measures temperature, and a protractor measures angles.

Which object would most likely weigh around 100 grams?

• A marble

• A small book

• A toy car

• A feather

Answer explanation

A small book typically weighs around 100 grams, while a marble, toy car, and feather are generally much lighter. Therefore, the most likely object to weigh around 100 grams is a small book.

Which of the following objects has the greater mass?

• A 50-gram block

• Two 25-gram marbles

Answer explanation

A 50-gram block has a mass of 50 grams, while two 25-gram marbles together have a mass of only 50 grams. Therefore, both have equal mass, but the question asks for the greater mass, which is the 50-gram block.

If an orange weighs 150 grams and an apple weighs 120 grams, how much heavier is the orange?

• 10 grams

• 20 grams

• 30 grams

• 40 grams

Answer explanation

To find how much heavier the orange is than the apple, subtract the weight of the apple from the weight of the orange: 150 grams - 120 grams = 30 grams. Therefore, the orange is 30 grams heavier.

Which of these weighs about the same as 10 grams?

• A dollar bill

• A battery

• A cup of sugar

• A coin

Answer explanation

A standard coin, like a dime or a nickel, typically weighs around 2.5 to 5 grams, making it the closest option to 10 grams. In contrast, a dollar bill, battery, and a cup of sugar weigh significantly more.

A toy car weighs 45 grams and a toy boat weighs 60 grams. If you combined them, what would their total mass be?

• 105 grams

• 100 grams

• 95 grams

• 110 grams

Answer explanation

To find the total mass, add the weight of the toy car (45 grams) and the toy boat (60 grams): 45 + 60 = 105 grams. Therefore, the correct answer is 105 grams.

A student picks up a 20-gram rock and a 30-gram stick. Which weighs more and by how much?

• The rock weighs more by 10 grams.

• The stick weighs more by 10 grams.

• Both weigh the same.

• The rock weighs more by 5 grams.

Answer explanation

The stick weighs 30 grams, while the rock weighs 20 grams. Therefore, the stick weighs more by 10 grams.

Tags

NGSS.MS-PS2-4