Middle School Science 1

Question 1

How many chromosomes do Humans have?

Accepted Answer

46

Question 2

When scientists use what they know in order to make a prediction about what will happen in an experiment:

Accepted Answer

Hypothesis

Question 3

A scientific theory isn't anything more than an educated guess.

Accepted Answer

False

Question 4

What is a group of cells that perform the same or similar functions called?

Accepted Answer

Organ

Question 5

What branch of science studies celestial objects, space, and the physical universe?

Accepted Answer

Astronomy

Question 6

What molecule contains all of our genetic material?

Accepted Answer

DNA

Question 7

What is the smallest unit of life?

Accepted Answer

Cell

Question 8

What branch of science studies the physical structure, history, and different processes that occur on Earth?

Accepted Answer

Geology

Question 9

What shape is DNA?

Accepted Answer

Double Helix

Question 10

What is the name of the process of energy traveling through space (or other matter) in waves?

Accepted Answer

Radiation

Question 11

What are the threadlike structures found in the nucleus that carries all of the genes of an organism?

Accepted Answer

Chomosomes

Question 12

What is the basic biological unit of heredity/inheritance?

Accepted Answer

Gene

Question 13

What's the process of a cell turning oxygen and food molecules into energy and getting rid of the waste?

Accepted Answer

Cellular Respiration

Question 14

Which branch of science studies the FUNCTION of the structures in the human body?

Accepted Answer

Physiology

Question 15

What is the term used to describe the physical appearance of an organism?

Accepted Answer

Phenotype

Questions 15