Countdown to the Science STAAR, Series 9, pg 1-3

Which metal is magnetic?

• Iron

• Aluminum

• Gold

• Copper

In science class, students are observing some ants with hand lens. Students observe that ants appear larger when viewed through a hand lens compared to when viewing them with their eyes alone. Which of the following statements about how the hand lens works is correct?

• The hand lens refracts the light waves, making the image of an ant appear smaller.

• The hand lens reflects the light waves, making the image of an ant appear larger.

• The hand lens refracts the light waves, making the image of an ant appear larger.

• The hand lens reflects the light waves, making the image of an ant appear smaller.

A partial food web of a marine ecosystem is shown here. Which type of organism is represented by the letter X?

• Producer

• Herbivore

• Consumer

• Decomposer

Tags

NGSS.MS-LS2-2

The table below contains information about four different types of birds and descriptions of their beak shape. Different beak shapes allow them to eat different types of food.

Which bird species above is best adapted to eat a tadpole (baby frog)?

• Ruby-throated Woodpecker

• Red-bellied Woodpecker

• Great Blue Heron

• Barn Swallow

Students in a science class are observing a terrarium like the one pictured below. Which organism would survive in the terrarium?

• Aquatic plant

• Goldfish

• Sea snail

• Beetle

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Which resource is NOT a renewable resource?

• Wind

• Water

• Natural gas

• Wood

Sundials have been used since ancient times to measure time using the shadows cast by the Sun. Below is an image of a sundial showing the time 1:00 P.M.

Which picture below shows the time 6:00 A.M.?

• 
• 
• 
• 

Carnivorous plants, such as the Venus flytrap, obtain some of their nutrients from insects and arachnids. The plant has tiny hairs on it that are triggered when touched by an insect or an arachnid. This is an example of —

• the environment changing to meet the needs of the organism

• an organism responding to changes in the living elements of its environment

• an organism responding to changes in the nonliving elements of its environment

• an organism changing the environment to meet its needs

Which physical property of a material determines how well it can conduct electric energy?

• The color of the material

• The magnetism of the material

• The mass of the material

• The composition of the material

The two lightbulbs function in the circuit below. Cutting the wire at which marked location would cause both lightbulbs to go out?

• Position A

• Position B

• Position C

• Position D

Tags

NGSS.MS-PS2-3