terms

Question 1

What is the definition of ‘hypothesis’?

Answer 1

A proposed explanation for a phenomenon, based on limited evidence.

Question 2

True or False: A scientific theory is just a guess.

Answer 2

False

Question 3

Fill in the blank: The _____ is the basic unit of life.

Answer 3

cell

Question 4

What term describes the variable that is manipulated in an experiment?

Answer 4

independent variable

Question 5

What is the primary purpose of a control group in an experiment?

Answer 5

To provide a baseline for comparison.

Question 6

Which of the following is NOT a characteristic of living things: a) Growth, b) Reproduction, c) Inability to adapt?

Answer 6

c) Inability to adapt

Question 7

What is the scientific method?

Answer 7

A systematic approach to research and experimentation.

Question 8

True or False: ‘Data’ refers to the information collected during research.

Answer 8

True

Question 9

What is the term for a substance that cannot be broken down into simpler substances?

Answer 9

element

Question 10

Fill in the blank: In an experiment, the _____ variable is the one that is measured.

Answer 10

dependent

Question 11

What does ‘peer review’ mean in scientific research?

Answer 11

Evaluation of research by experts in the same field before publication.

Question 12

Which branch of science studies matter and its interactions?

Answer 12

Chemistry

Question 13

True or False: All scientific experiments must be repeatable.

Answer 13

True

Question 14

What is the term for a statement that can be tested through experimentation?

Answer 14

hypothesis

Question 15

Fill in the blank: _____ is the study of living organisms.

Answer 15

Biology

Question 16

What is the function of a microscope?

Answer 16

To magnify small objects for observation.

Question 17

Which term describes the amount of matter in an object?

Answer 17

mass

Question 18

True or False: An observation is a conclusion drawn from data.

Answer 18

False

Question 19

What do we call a change in a species over time?

Answer 19

evolution

Question 20

Fill in the blank: The _____ is the part of the experiment that is kept constant.

Answer 20

constant

Question 21

What is the primary focus of physics?

Answer 21

The study of matter, energy, and the forces that act upon them.

Question 22

What is an ecosystem?

Answer 22

A community of living organisms and their physical environment interacting as a system.

Question 23

True or False: A conclusion is drawn from the data collected during an experiment.

Answer 23

True

Question 24

What is the term for the process by which plants convert sunlight into food?

Answer 24

photosynthesis

Question 25

Fill in the blank: The _____ is a scientific explanation supported by a significant amount of evidence.

Answer 25

theory

Question 26

What does 'variable' mean in the context of scientific experiments?

Answer 26

Any factor that can change in an experiment.

Question 27

Which term refers to the smallest unit of an element that retains its properties?

Answer 27

atom

Question 28

True or False: In science, a law describes a universal principle that is always true.

Answer 28

True