REVIEW QUIZ IN SCIENCE 7 (1ST QUARTER)

Which of the following symbols refers to combustible substances that ignite or burn when exposed to water, air, or open flame?

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What kind of laboratory apparatus is this

• Test Tube

• Test Tube Rack

• Iron Ring

What kind of laboratory apparatus is this 

• Rubber Aspirator

• Mortar and Pestle

• Wash Bottle

Which of the following laboratory apparatus is a Bunsen burner?

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Which of the following laboratory apparatus is a stirring rod?

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How many liters are there in 5 000 milliliters?

• 50 L

• 5 L

• 500 L

How many centimeters are there in 5 inches?

• 12.7 cm

• 20 cm

• 10 cm

What is the scientific notation for 0.9 x 10 ^-1?

• 0.0009    

• 0.09

• 0.000009

What is the scientific notation for 43200?

• 4.32 x 10 ⁷

• 4.32 x 10 ⁴ 

• 4.32 x 10 ⁹

How many significant figures are there in 12345?

• 1

• 4

• 5