AEPA Science

Question 1

Which of the following best describes a controlled experiment in science education?

Accepted Answer

An experiment where only one variable is changed while all others are kept constant

Answer

An experiment with no variables

Answer

An experiment conducted outside the classroom

Answer

An experiment repeated three times

Question 2

According to the Next Generation Science Standards (NGSS), which of the following is a crosscutting concept?

Accepted Answer

Cause and Effect

Answer

Photosynthesis

Answer

Newton's Laws

Answer

Cell Division

Question 3

Which process do plants use to convert light energy into chemical energy stored in glucose?

Accepted Answer

Photosynthesis

Answer

Cellular respiration

Answer

Transpiration

Answer

Fermentation

Question 4

A teacher asks students to predict what will happen before conducting an experiment. Which science practice does this develop?

Accepted Answer

Constructing explanations

Answer

Developing and using models

Answer

Analyzing data

Answer

Asking questions and defining problems

Question 5

Which layer of Earth's structure is composed primarily of liquid iron and nickel?

Accepted Answer

Outer core

Answer

Crust

Answer

Mantle

Answer

Inner core

Question 6

What is the primary purpose of a science safety contract signed by students at the start of a course?

Accepted Answer

To ensure students understand and agree to follow laboratory safety rules

Answer

To satisfy legal requirements only

Answer

To replace teacher supervision

Answer

To limit lab activities to low-risk demonstrations