A student must measure how much liquid is in a sample and record the amount in milliliters. Which tool is built for that measurement?

A group collects small rocks from a stream bed and needs the mass of each rock in grams. Which tool gives that measurement?

A team pulls a wooden block across a bench and wants to record the pulling force in newtons. Which tool should they attach to the block?

A class checks the water in a beaker on a hot plate every two minutes using a thermometer. Which SI unit should they write beside each reading?

At a pond a group records: water temperature 18 degrees Celsius, depth 42 cm, 12 frogs counted along the bank, and the water smells muddy and looks cloudy. Which record is qualitative data?

A student describes a mystery mineral in her notebook: it is shiny, it is dark gray, it scratches glass, and its mass is 46 g. Which record is quantitative data?

A student places a single paper clip on a balance and writes down the reading. Which SI unit fits that measurement?

A graduated cylinder holds 50 mL of water. A student lowers a small stone into it and the water level rises to 68 mL. What is the volume of the stone?

A class repeats one temperature measurement three times and records 22 degrees Celsius, 24 degrees Celsius and 23 degrees Celsius. What is the mean of the three trials?

A student measures the length of the school hallway to report in a data table. Which SI unit gives the most sensible size of number for that length?

Three students measure the same water sample and get volumes several milliliters apart. Each stood up and looked down at the cylinder from above. What is the most likely source of error?

A class records the air temperature in the room every hour for eight hours and wants to show how the temperature changed across the day. Which display fits the data best?

Four brands of paper towel each soak up a different mass of water: 18 g, 24 g, 15 g and 27 g. Which display compares these four separate brands best?

One liter is equal to 1,000 milliliters.

Qualitative data must always be recorded as numbers with SI units.

Repeating the same measurement several times and reporting the mean reduces the effect of a random source of error.

A book has a mass of 200 g on a balance on Earth. The same book is carried to the Moon, where gravity is weaker. What happens to its measurements there?

After two weeks a team writes only that their bean plant grew a lot. What change to their method would turn that record into quantitative data?

A nurse measures out a dose of liquid medicine about the size of a teaspoon. Which SI unit fits an amount that small?

A class has 24 mass readings from four trials and wants them organized so any single value can be found quickly. What should they build?

A team needs the length of a classroom bench recorded in centimeters for a data table. Which tool gives that measurement directly?

A group times how long a toy car takes to roll down a ramp. Which SI unit should they write beside each timing?

A student records the mass of a full backpack for a report. Which SI unit gives the most sensible size of number for that mass?

A class measures the water a bucket holds and expects a few thousand milliliters. Which SI unit gives the most sensible size of number for that volume?

A group records four notes about a soil sample: it is dark brown, it smells earthy, its mass is 85 g, and it feels crumbly. Which note is quantitative data?

A weather log for one morning reads: air temperature 14 degrees Celsius, wind speed 12 km per hour, the sky looks overcast, rainfall 3 mm. Which entry is qualitative data?

A student must find the volume of an irregular metal bolt that will not fit any ruler. Which tool and method give the volume?

A team hangs a bag of sand from a hook and reads 6 N. Which quantity did the tool they used measure?

A student writes that a rock has a mass of 240 newtons. What is wrong with that record?

A class must record how warm a beaker of water becomes on a hot plate. Which tool belongs in the beaker?

A group reports the width of a pencil as 0.007 meters. Which SI unit would give a more sensible size of number for that width?

A student pours liquid into a graduated cylinder and reads the level while holding the cylinder up beside one eye. What should the student do instead for an accurate reading?

Two records describe the same leaf: one says the leaf is broad and waxy, the other says the leaf is 9 cm long. How should the two records be classified?

A group records the mass of the same stone four times and gets 41 g, 42 g, 41 g and 44 g. What is the mean of the four trials?

A team measures the height of a bean plant every week for six weeks and wants a display that shows how the height changed over that time. Which display fits the data best?

A student measuring a table reports the length as 1.2 but writes no unit. Why does the record fail as quantitative data?

A group must compare how far four different toy cars roll from the same ramp. Which quantity and unit should they record for each car?

A group measures a stream's temperature four times and gets 15, 15, 16 and 25 degrees Celsius. What should they do about the 25 degree reading?

One meter is equal to 100 centimeters.

A graduated cylinder measures the mass of a liquid in grams.