Quarterly Exam #1 - G - Integrated Science 7

1) Based upon the picture, which is put in the correct order of the Scientific Method?

• (1)
• (2)
• (3)
• (4)

2) A student examined a rock sample, and described it as having particles of different colors. The student was making

• an observation
• an inference
• a prediction
• a hypothesis

3) The independent variable is what you _______ during an experiment.

• test/change
• do not change
• measure
• count

4) Based upon the picture, what is one unsafe thing that this student is doing?

• The flame is too high and could set other equipment in the lab room on fire.
• The student is not wearing safety goggles.
• The beaker or cup has water in it.
• The desk is not clear of materials.

5) Which safety precaution is recommended when a glass has been broken in the lab?

• Continue using the broken item to finish your experiment
• Tell the teacher so it can be cleaned immediately
• Pick up the glass with your hands
• Record what happened on your lab sheet

6) What is the approximate length of the Snail from "A" to "B"?

• 1.0 cm
• 1.6 cm
• 2.0 cm
• 2.6 cm

7) The diagram below represents a Celsius thermometer recording a certain temperature. What is the correct reading of the thermometer?

• 9°C
• 4.3°C
• 0.3°C
• 3°C

8) A graduated cylinder containing water is shown in diagram A below. Pea seeds were dropped into the cylinder and the results are shown in diagram B. What is the volume of the seeds?

• 4 mL
• 5 mL
• 10 mL
• 14 mL

9) The diagram below shows an enlarged view of the beams of a triple-beam balance. What is the correct reading of the triple-beam balance?

• 455.2 g
• 545.2 g
• 5,452 g
• 50,052 g

10) Based upon the densities of the materials below, which illustration accurately shows the arrangement of materials when placed together in a graduated cylinder?

• A
• B
• C
• D