1. Which of the following is an example of a direct observation?

a. Measuring the amount of rain that falls in a 24-hour period in a rain gauge.

b. Estimating the number of rabbits in your garden by examining the number of plants eaten

c. Determining how many people ate the school pizza by looking at trays to see if people threw away their
pizza.

d. Compiling survey results to
learn how people feel about a

2. Which of the following is an example of a good hypothesis?

A. The vinegar is the acid and the soap is the base.

B. I think the glow sticks will brighter in the hot water.

C. when placed in hot water, sugar cubes will dissolve more slowly that granulated sugar

3. Which of the following correctly matches the observation with the description?

a. The car is silver in color; quantitative

b. The car is has 3 foot pedals ; qualitative

C. The car has 4 doors; qualitative

d. The car has 1 steering wheel; quantitative -

4. Which of the following metric conversions is correct?
a. 1 meter = 1000 km
b. 1 cm = 10 dm
C. 1 mm = 10 cm
d. 1 cm = 10 mm