Test - Unit 1 Scientific Method

Question 1

19. In 1859, Charles Darwin explained a model of why living things change over time. He described this model and the evidence that supported it in a book called On The Origin Of Species. Which scientific term is used to describe a testable model that seeks to explain a natural phenomena?

Answer 1

Theory

Unit 1 Concept 4 pg. 1

Question 2

A description of how things happen in nature that seems to be true all the time is a ________.

Answer 2

Law

Unit 1 Concept 4 pg. 1

Question 3

26. What is the SI unit for mass?

Answer 3

kg

Unit 1 Concept 2 pg. 3

Question 4

27. What is the SI unit for length?

Answer 4

m

Unit 1 Concept 2 pg. 3

Question 5

28. What is the SI unit for temperature?

Answer 5

K

Unit 1 Concept 2 pg. 3

Question 6

50. Mortar and Pestle

Answer 6

Used for grinding up solid chemicals into a powder

Unit 1 Concept 1 pg.3

Question 7

52. Erlenmeyer Flask

Answer 7

For heating liquids, but can also measure and hold them

Unit 1 Concept 1 pg.3

Question 8

54. Bunsen Burner

Answer 8

Gas powered flame for heating chemicals

Unit 1 Concept 1 pg. 3