Science Staar Review Part 1

Front

What is the importance of wearing goggles and gloves when investigating unidentified plants?

Back

Unidentified plants may be toxic and should be kept away from the eyes and skin.

Front

Why should we follow safety rules when working with electrical circuits?

Back

An electric shock can cause muscles to tighten, making it difficult to pull away from the circuit. A person who touches exposed wires becomes part of the circuit. The human body is 70% water, making it a good conductor of electricity.

Front

Which student's conclusion about reflection is inaccurate?

Back

Student 1's conclusion is inaccurate.

Tags

NGSS.MS-PS4-2

Front

What is the best way to manage materials after investigating uprooted plants?

Back

Dispose of the plants in a compost bin so they can decompose naturally.

Front

Why do students conduct multiple trials in an experiment?

Back

To increase the reliability of results.

Tags

NGSS.MS-PS2-5

Front

What is the definition of reflection in light energy?

Back

Reflection is the bouncing back of light when it hits a surface.

Tags

NGSS.MS-PS4-2

Front

What safety precautions should be taken when handling chemicals?

Back

Always wear goggles, gloves, and a lab coat to protect your eyes, skin, and clothing.

Front

What is the role of gravity in force and motion experiments?

Back

Gravity is the force that pulls objects toward the Earth, affecting their motion.

Tags

NGSS.3-PS2-2

NGSS.5-PS2-1

Front

What is a hypothesis?

Back

A hypothesis is a testable prediction about the outcome of an experiment.

Tags

NGSS.MS-PS1-2

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS2-2

NGSS.MS-PS3-4