Mastering the 8th Grade Science STAAR Test Strategies

This video tutorial covers essential science concepts for 8th-grade students. It begins with an introduction to formula triangles for calculating density, speed, and force. The tutorial then explains moon phases and their impact on tides, followed by a discussion on seasons and day length variations. It also provides an overview of different types of plate boundaries and their geological effects. Finally, the video suggests additional study topics and vocabulary related to ecosystems, body systems, and cell organelles.

What is the formula to calculate density?

• Density = Mass / Volume

• Density = Mass x Volume

• Density = Volume / Mass

• Density = Volume x Mass

Which moon phase comes right after a new moon?

• First Quarter

• Waning Gibbous

• Waxing Crescent

• Full Moon

Tags

NGSS.MS-ESS1-1

What causes spring tides?

• The moon in its waxing gibbous phase

• The moon in its first or third quarter

• The moon, Earth, and sun forming a right angle

• The moon, Earth, and sun aligned in a straight line

Tags

NGSS.MS-ESS1-1

Which type of tide occurs when the sun, Earth, and moon form a 90-degree angle?

• Quarter tide

• Full tide

• Neap tide

• Spring tide

During which season does the northern hemisphere experience longer days?

• Fall

• Summer

• Spring

• Winter

Tags

NGSS.MS-ESS1-1

What geological feature is created at a divergent plate boundary?

• Mountains

• Volcanoes

• Earthquakes

• Mid-ocean ridges

What is the difference between biotic and abiotic factors?

• There is no difference; they both refer to living components.

• Biotic factors are living, while abiotic factors are non-living.

• Biotic factors are non-living, while abiotic factors are living.

• Biotic factors can reproduce, while abiotic cannot.

What does the integumentary system regulate?

• Production of energy

• Body's chemistry using hormones

• Removal of waste from the body

• Protection of the body and regulation of body temperature

What is the main function of the excretory system?

• To regulate body temperature

• To remove waste from the body

• To produce hormones

• To protect the body

Which cell organelle is known as the powerhouse?

• Vacuole

• Mitochondria

• Nucleus

• Chloroplast

Tags

NGSS.MS-LS1-2