10 Days to STAAR 2026: Day 1

Group 1

Source 1a.1

• They are all less dense than water and magnetic.
• They are all electrical conductors and more dense than water.
• They are all soluble and nonmagnetic.
• They are all more dense than water and electrical insulators.

Source 1b.1

• Between Points A and B
• Between Points B and C
• Between Points C and D
• Between Points D and E

Source 1c.1

• First quarter
• Last quarter
• New moon
• Full moon

Source 1d.1

• Organisms C, D, E, and F do not cycle matter to any other organisms in the food web in any way.
• Organisms A and I provide oxygen that can be taken in by organisms B, C, D, E, F, G, and H.
• Only organisms B, G, and H take in matter from other organisms.
• Organisms B, C, D, E, F, G, and H provide oxygen that can be taken in by organisms A and I.

Source 1e.2

• The images all relate to light reflecting off translucent objects.
• The images all relate to light refracting through a different medium.
• Images 1 and 3 involve the light passing through lenses.
• Images 2 and 4 involve light passing through water.
• Images 1 and 2 use light to magnify, while 3 and 4 do not.

• Rock arch
• Canyon
• Sand dune
• U-Shaped valley
• Mountain

Source 1g.1

• The oil, cork, and ping-pong ball are more dense than water, while the screw and plastic block are less dense than water.
• The cork, ping-pong ball, oil, screw, and plastic block are all more dense than water.
• The screw and plastic block are more dense than water, while the oil, cork, and ping-pong ball are less dense than water.
• The cork and ping-pong ball are more dense than oil but less dense than water. The screw and plastic block are more dense than water.