1. Answer: scientific method
The _______ ______ is a set of specific procedures and skills used to carry out scientific investigations. #1
Answer: scientific method
Ms. Thomas

2. Answer: scientific inquiry
________ _______ is a process of using observation and inferences
to question and explore
the natural world. #2
Answer: scientific inquiry
Ms. Thomas

3. _______ are facts based
on the five senses. #3
Answer: observations
Ms. Thomas

4. ________ are opinions formed from observations.#4
Answer: inferences
Ms. Thomas

5. A ________ is an educated guess based on your observations.#5
Answer: hypothesis
Ms. Thomas

6. A _______ is something that
does not change during
an experiment. #6
Answer: constant
Ms. Thomas

7. The _______ variable is the test variable that
you change in an experiment. #7
Answer: independent
Ms. Thomas

8. The ______ variable is the
outcome variable that
you cannot control. #8
Answer: dependent
Ms. Thomas

9. A ______ is a detailed explanation based on evidence
from observations that
defends or rejects a hypothesis. #9
Answer: conclusion
Ms. Thomas

10. A scientific _______ is a principle that describes happenings based
on many observations
and which occurs in nature.
#10
Answer: law
Ms. Thomas

11. explanation for an event
A _______ is an
explanation for an event
developed from observations, experimentation and reasoning.
#11
Answer: theory
Ms. Thomas

12. _______ evidence is based on observations and experimentation
rather than theory.
#12
Answer: empirical
Ms. Thomas

13. that is designed to show the structure of an object.
A ______ is a replica
that is designed to show
the structure of an object.
#13
Answer: model
Ms. Thomas

14. ________ is making multiple sets of measurements in
a scientific investigation.
#14
Answer: repetition
Ms. Thomas

15. _______ is the reproduction of a scientific investigation by others.
#15
Answer: replication
Ms. Thomas

16. ______ is a solid, liquid, or gas that takes up space and has mass.
#56
Answer: matter
Ms. Thomas

17. Physical ________ are characteristics of matter that can be observed
without changing
the identity of the material.
#57
Answer: properties
Ms. Thomas

18. ______ is the attractive force between two objects.
#39
Answer: gravity
Ms. Thomas

19. an object due to gravity.
______ is the force on
an object due to gravity.
#40
Answer: weight
Ms. Thomas

20. ______ is the amount of matter in an object. #41 Answer: mass
Ms. Thomas

21. change in size, shape, color,
A _______ change is any
change in size, shape, color,
or state of matter in which the identity of the substance
remains the same.
#58
Answer: physical
Ms. Thomas

22. any characteristic of a substance such as flammability that
______ properties are
any characteristic of a substance such as flammability that
indicates whether it can
undergo a chemical change.
#59
Answer: Chemical
Ms. Thomas

23. _______ is the amount of space an object occupies.
#61
Answer: volume
Ms. Thomas

24. The formula for _____
is mass / volume.
#62
Answer: density
Ms. Thomas

25. substances and solutions as
The ___ scale measures
substances and solutions as
an acid, base, or neutral.
#63
Answer: pH
Ms. Thomas

26. The ______ point is the temperature at which a solid substance turns into a liquid.
#64
Answer: melting
Ms. Thomas

27. The ______ point is the temperature at which
a liquid turns into a gas.
#65
Answer: boiling
Ms. Thomas

28. ______ is the process by which water vapor is changed
from a gas to a liquid.
#66
Answer: condensation
Ms. Thomas

29. by which water is changed
_______ is the process
by which water is changed
from a liquid to a gas.
#67
Answer: evaporation
Ms. Thomas

30. The main types of ______ are heterogeneous and homogeneous.
#68
Answer: mixtures
Ms. Thomas

31. A _______ is a type of homogeneous mixture.
#69
Answer: solution
Ms. Thomas

32. that start a chemical reaction.
______ are substances
that start a chemical reaction.
#70
Answer: reactants
Ms. Thomas

33. ______ are the new substances that are formed in a chemical reaction.
#71
Answer: products
Ms. Thomas

34. the changing of one substance
A _______ change is
the changing of one substance
into a new substance.
#60
Answer: chemical
Ms. Thomas