I need the answer to 1.7.4 - Practice: Introduction to Science Unit Review Practice it's 14 questions. plz help A controlled experiment is designed to test a ___.
A. control
B. hypothesis
C. theory
D. prototype

What is the practical use of scientific knowledge to solve everyday problems and improve lives?
A. research
B. publications
C. technology
D. patents

What is it called when a scientist’s personal opinion affects the way experimental results are reported?
A. bias
B. classifying
C. inductive reasoning
D. procedure

Facts, figures, and other evidence gathered through observation are called?
A. data
B. scientific law
C. bias
D. inductive reasoning

Use the following graph to answer the question.
The growth of a certain plant was measured over a period of more than a month. Which of the following correctly identifies the variables?
A. The independent variable is the growth of the plant; the dependent variable is the time the plant is given to grow.
B. The independent variable is the time the plant is given to grow; the dependent variable is the growth of the plant.
C. The independent variable is the amount of water the plant received; the dependent variable is the amount of light the plant received.
D. The independent variable is the amount of light the plant received; the dependent variable is the amount of water the plant received

What steps are important in the process of creating a scientific theory?
A. hypothesizing, observing, and testing
B. creating a prototype and trouble-shooting
C. analyzing, offering an opinion, and evaluating
D. trouble-shooting, hypothesizing, and evaluating

What can be used to make complicated concepts and systems easier to study and understand?
A. prototypes
B. samples
C. models
D. graphs

Identify the error in the following statement:
A scientific theory is well-substantiated, fact-based, and unchangeable.
A. Scientific theories can change as scientists continue to test ideas and gather evidence.
B. The statement is describing a hypothesis rather than a scientific theory.
C. A scientific theory is not well-substantiated.
D. A scientific theory is not fact-based.

What is a logical conclusion based on observed evidence?
A. hypothesis
B. inference
C. trade-off
D. theory

Which of the following describes what scientists expect to happen every time under certain conditions?
A. scientific inquiry
B. scientific literacy
C. scientific theory
D. scientific law

Which of the following is a way to stay safe in the science lab?
A. Wear dangling jewelry.
B. Wear open-toed shoes.
C. Tie back long hair.
D. Put on a scarf.

Which of the following questions can be answered scientifically?
A. Are red and blue pigments more beautiful than yellow and green pigments?
B. Is it right or wrong to leave a baby with a babysitter?
C. How does switching from butter to canola oil affect cholesterol levels in the blood?
D. Which plant is the most annoying: dollar weeds or dandelions?

What is both a way of studying the natural world and a body of knowledge?
A. mathematics
B. science
C. history
D. art

Which of the following is not a benefit of scientific literacy?
A. being able to make personal decisions about science-related issues
B. being able to evaluate scientific information
C. being able to rely on opinions about science-related issues
D. being able to take part in science-related initiatives