Observation/Inference
A student felt the concrete and observed that it was warm. Which sense did they use to make this observation?
Touch
Accuracy means how close a measurement is to the ___ value
True/accepted
“The leaf is green and feels smooth.” Is this a qualitative or quantitative observation?
Qualitative
A student wants to see whether temperature affects how fast sugar dissolves. They put sugar in hot water, but use a different amount of water for the cold-water test. Is this a fair test? Why/why not?
No, they used different amounts of water
Who is Mr. Snyder's favorite Star Wars character?
Darth Vader
What are the 5 senses?
Sight, touch, smell, taste, hearing
Precision means how ___ repeated measurements are to each other.
Close
“The rock has a mass of 45 grams.” Is this a qualitative or quantitative observation?
Quantitative
A student tests two brands of cereal to see which one keeps them full longer. They eat one bowl of Brand A but two bowls of Brand B. Is this a fair test? Why/why not?
No, they ate different amounts
What is Mr. Snyder's favorite holiday?
Halloween
Which one is an observation?
A. The dog is probably hungry.
B. The dog will eat its food soon.
C. The dog is standing next to an empty food bowl.
D. The dog must have just finished eating.
C
A student's measurements are 7.1 cm, 7.1 cm, and 7.2 cm. The actual measurement is 10.0 cm. Are the measurements accurate, precise, or both?
Just precise
Which observation is quantitative?
A. The liquid is blue.
B. The liquid smells sweet.
C. The liquid has a temperature of 18°C.
D. The liquid looks cloudy.
C
A student tests which paper towel absorbs the most water. They use one sheet of Brand A and three sheets of Brand B. Why is this not fair?
They used different amounts of sheets
DAILY DOUBLE
What is Mr. Snyder's favorite food?
Smash burgers
Which one is an inference?
A. The rock is gray.
B. The rock weighs 50 grams.
C. The rock has a rough surface.
D. The rock was probably exposed to weather for a long time.
D
A student's measurements are 9.9 cm, 10.0 cm, and 10.1 cm. The actual measurement is 10.0 cm. Are these measurements accurate, precise, or both?
Both
Which type of observation uses numbers or measurements?
Quantitative
A student tests whether running shoes make someone run faster. One student runs on a track while the other runs on grass. What makes this test unfair?
The surfaces are different
Where did Mr. Snyder go to college?
Grand Valley
Which one is a prediction?
A. The temperature is 15°C.
B. The clouds are dark gray.
C. The clouds are moving quickly.
D. It will probably rain within the next hour
D
Three students measure the same object. Their measurements are 14.9 cm, 15.0 cm, and 15.1 cm. The actual measurement is 20.0 cm. Which word best describes their measurements?
Precise
A student observes a cup of water and writes: “The water is clear, cold, and contains 12 mL.” What part is quantitative?
12 mL
A student wants to test whether the amount of sunlight affects plant growth. What should the student change
The amount of sunlight
Where is Mr. Snyder's bucket list vacation destination?
Japan