Question

A solution is a
A. mixture in which undissolved substances do not settle out.
B. mixture in which the substances are evenly spread out.
C. chemical reaction.
D. combination of isotopes.

Biologists who work in the fields of genomics and molecular biology study
A. the biosphere
B. diseases
C. DNA
D. trees

A personal preference or point of view is
A. a bias.
B. a theory.
C. a hypothesis.
D. an inference.

Information gathered from observing the growth of a fish over a month is called
A. data.
B. hypotheses.
C. variables.

Answer 1

The process by which organisms keep everything inside their bodies within certain limits is called
A. photosynthesis.
B. evolution.
C. homeostasis.
D. metabolism.

A scientist working in which area of biology is MOST likely to study DNA?
A. interdependence in nature
B. matter and energy
C. information and heredity
D. cellular basis of life

A well-tested explanation that explains a lot of observations is
A. an inference.
B. a theory.
C. a controlled experiment.
D. a hypothesis.

How many neutrons does element X have if its atomic number is 55 and its mass number is 166?
neutrons

A student sees a bee on a flower. The student wonders how the bee finds flowers. This student is displaying the scientific attitude of
A. creativity.
B. skepticism.
C. curiosity.
D. open-mindedness.

Isotopes are atoms of the same element with the same number of protons and a different number of
A. neutrons.
B. ions.
C. molecules.
D. electrons.

Which of the following is NOT a characteristic of all living things?
A. growth and development
B. ability to move
C. ability to reproduce
D. response to the environment

Which of the following is NOT a function of proteins?
A. store and transmit genetic information
B. move substances into or out of cells
C. control the rate of reactions
D. help to fight disease

The energy needed to get a reaction started is the
A. enzyme energy.
B. catalyst energy.
C. activation energy.
D. chemical energy.


Based on observations, you create steps to test whether the presence of water could accelerate the growth of bread mold. These steps would be
A. a conclusion.
B. a hypothesis.
C. an experiment.
D. an analysis.


What does a reviewer do during peer-review?
A. Change data to support results.
B. Repeat the experiments in the article.
C. Focus only on mistakes in spelling.
D. Check for mistakes and bias.

If element X has 6 protons, how many electrons does it have?
electrons

The work of scientists usually begins with
A. creating experiments.
B. testing a hypothesis.
C. careful observations.

What is the process that changes one set of chemicals into another set of chemicals?
A. cohesion
B. dissolving
C. chemical reaction
D. hydrogen bonding


Which of the following is a substance formed by the chemical joining of two or more elements in definite amounts?
A. nucleus
B. enzyme
C. compound
D. isotope

How does studying science help you be a better member of society?
A. Learning the biases of science will help you know what is right or wrong.
B. Knowing science will help you live without the aid of technology.
C. Understanding how science works will help you make better decisions.
D. Memorizing science facts will help you become more intelligent.

Answer 2

The process by which organisms keep everything inside their bodies within certain limits is called
A. photosynthesis.
B. evolution.
C. homeostasis.
D. metabolism.

A scientist working in which area of biology is MOST likely to study DNA?
A. interdependence in nature
B. matter and energy
C. information and heredity
D. cellular basis of life

A well-tested explanation that explains a lot of observations is
A. an inference.
B. a theory.
C. a controlled experiment.
D. a hypothesis.

How many neutrons does element X have if its atomic number is 55 and its mass number is 166?
neutrons

A student sees a bee on a flower. The student wonders how the bee finds flowers. This student is displaying the scientific attitude of
A. creativity.
B. skepticism.
C. curiosity.
D. open-mindedness.

Isotopes are atoms of the same element with the same number of protons and a different number of
A. neutrons.
B. ions.
C. molecules.
D. electrons.

Which of the following is NOT a characteristic of all living things?
A. growth and development
B. ability to move
C. ability to reproduce
D. response to the environment

Which of the following is NOT a function of proteins?
A. store and transmit genetic information
B. move substances into or out of cells
C. control the rate of reactions
D. help to fight disease

The energy needed to get a reaction started is the
A. enzyme energy.
B. catalyst energy.
C. activation energy.
D. chemical energy.


Based on observations, you create steps to test whether the presence of water could accelerate the growth of bread mold. These steps would be
A. a conclusion.
B. a hypothesis.
C. an experiment.
D. an analysis.


What does a reviewer do during peer-review?
A. Change data to support results.
B. Repeat the experiments in the article.
C. Focus only on mistakes in spelling.
D. Check for mistakes and bias.

If element X has 6 protons, how many electrons does it have?
electrons

The work of scientists usually begins with
A. creating experiments.
B. testing a hypothesis.
C. careful observations.

What is the process that changes one set of chemicals into another set of chemicals?
A. cohesion
B. dissolving
C. chemical reaction
D. hydrogen bonding


Which of the following is a substance formed by the chemical joining of two or more elements in definite amounts?
A. nucleus
B. enzyme
C. compound
D. isotope

How does studying science help you be a better member of society?
A. Learning the biases of science will help you know what is right or wrong.
B. Knowing science will help you live without the aid of technology.
C. Understanding how science works will help you make better decisions.
D. Memorizing science facts will help you become more intelligent.

Answer 3

1 is B

Answer 4

i think you have 20 questions.. (correct me if I'm wrong)
1. ( B. mixture in which the substances are evenly spread out.)
2. C. DNA
3. C. a hypothesis.
4. i think its C. variables.
5. C. homeostasis.
6. D. cellular basis of life
7. A. an inference
8. How many neutrons does element X have if its atomic number is 55 and its mass number is 166?
neutrons ( i cannot remember how to count because I'm now studying medicine that not involved chemistry at all, sorry..)
9. C. curiosity.
10. A.neutrons
11. B. ability to move
12. A. store and transmit genetic information
13. C. activation energy.
14. Do not understant the ques hehe 14. Based on observations, you create steps to test whether the presence of water could accelerate the growth of bread mold. These steps would be
A. a conclusion.
B. a hypothesis.
C. an experiment.
D. an analysis
15. in my country, we didn't do peer-review
16. not studying chemistry for a long term, thus forget so badly
17. C. careful observations
18. C. chemical reaction
19. C. compound
20. C. Understanding how science works will help you make better decisions