Intro Unit Science Test

What is the formula for density?

• D = MxV

• D = M/V

• D = LxWxH

• D = g/cm³

1. By using your five senses to obtain or record information, you are making an

• error
• experiment
• observation
• inference

2. Which of the following choices is NOT an example of a QUALITATIVE observation

• shiny
• 12 inches
• black
• smooth

3. Isabella is rolling a ball down a ramp. Which statement is an observation?

• If the ramp is steeper, then the ball will roll faster
• Friction must have slowed the ball down
• The ball rolled 86.3 cm in 3.0 seconds

4. The diagram below shows a tall beaker with four different liquids and their densities. If a ball that has a density of 1.73 g/cm^3 is placed in the beaker, where will the ball come to rest?

• on top of liquid A
• between liquids B and C
• between liquids C and D
• on the bottom of the beaker

5. The graph below shows the water levels that result from tidal action over a 24-hour period. What was the approximate height of the water on the tide marker at 6 p.m.?

• 4.3 ft
• 5.4 ft
• 8.5 ft
• 11.2 ft

6. The diagram below shows a ball held in place by two blocks. The diameter (width) of the ball is shown between the two blocks. What is the diameter of the ball?

• 6.0 cm
• 8.0 cm
• 14.0 cm
• 17.0 cm

7. In an experiment, the information that has been collected through observation and measurement is called the...

• data
• control
• variable
• inference

8. The picture below shows milk being poured into a measuring cup. Which property of the milk can be directly measured using the cup?

• mass
• density
• solubility
• volume

9. The final step of the scientific method is the conclusion. Your conclusion proves or disproves this…

• problem
• observation
• data
• hypothesis