All 2nd Grade Science Resources
Example Questions
Example Question #7 : Develop A Model Mimicking An Animal Pollinating Plants
Andy's teacher asked them to draw a model of an animal pollinating plants. Which of the following should he draw?
Squirrel
Sunflower
Hummingbird
Frog
Hummingbird
If Andy is drawing an animal that pollinates plants, he could model a hummingbird to represent the pollinator! Squirrels and frogs are not pollinators, and sunflowers are not an animal! Hummingbirds move from flower to flower, spreading pollen to help fertilize plants so new ones can grow.
Example Question #1 : Develop A Model Mimicking An Animal Pollinating Plants
Bumblebees pollinate flowers that have nectar and pollen. The pollen from one flower sticks to them while they feed, and it is dropped into another flower when they move to the next plant to eat.
If humans wanted to use something that mimicked a bumblebee to pollinate their flowers, which item would be best?
Velcro
Felt
Tape
All of the answers are correct
All of the answers are correct
To build a model of a bumblebee, a human could select felt, velcro, or tape as the material to make the animal. Felt is soft, textured, and made of cloth so the pollen dust would stick to the fabric. Velcro is textured, and things stick to it. The tape is very sticky, and pollen would attach itself to the sticky side to be carried around. All of the answer choices are correct and could be used to model a bumblebee.
Example Question #2 : Develop A Model Mimicking An Animal Pollinating Plants
Hummingbirds pollinate tube-shaped flowers that have nectar and pollen. Their beak picks up pollen from one flower while they feed, and it is dropped into another flower when they move to the next plant to eat.
If humans wanted to use something that mimicked a hummingbird to pollinate their flowers, which item would be the worst?
Sponge
Paintbrush
Twig
Straw
Sponge
The items that would best be used to mimic an animal pollinating a flower would be the paintbrush, twig, or the straw. They would be thin enough to fit into the flower and have the end transfer or pick up the pollen. The sponge would be too broad and would not have the right materials for the dust to stick.
Example Question #3 : Develop A Model Mimicking An Animal Pollinating Plants
Bats are a common pollinator of plants. Many people are afraid of bats and think they are dangerous or even attack people! Bats are very helpful to humans because they help spread pollen from plant to plant. What feature do bats have that help them get from plant to plant to spread pollen?
Ears
Lungs
Stomach
Wings
Wings
Bats fly from plant to plant eatings fruit and picking up pollen as they move. When bats fly, they use their wings. When a bat lands on another plant, some of the powder falls off and is deposited into the stamen of the flower for reproduction. New plants are formed when this pollen is spread, and new seeds form.
Example Question #1 : Observe Plants To Compare Diversity In Various Habitats
What can you conclude about plant diversity in the parking lot compared to the park with a lake?
There is not enough information to draw a conclusion.
There is the same amount of plant diversity in the parking lot and the park with a lake.
There is less plant diversity in the parking lot than at the park with a lake.
There is more plant diversity in the parking lot than at the park with a lake.
There is less plant diversity in the parking lot than at the park with a lake.
When comparing the park with a lake to the parking lot, the observations in the data table show readers that there is less plant diversity in the parking lot. The parking lot is human-made, and there are lots of buildings and cement rather than grass and trees like a natural habitat would have.
Example Question #1 : Diverse Habitats
What does the term diverse mean? Example: The rainforest has a diverse population of plants. Many of them can only be found in that location.
Strong and muscular
Very delicious or tasty
Very few, not many
Being different, having a great variety
Being different, having a great variety
The term diverse means to be different or have variety. In the Amazon rainforest, there are about 80,000 species of plants, which shows how many different varieties there are. It is one of the most diverse populations of plants on Earth.
Example Question #1 : Diverse Habitats
The Amazon rainforest has 80,000 species of plants. The ocean has 1 million species of plants. The Sahara desert has 500 plant species.
Which statement is true of these habitats?
All of the habitats have large plant populations, but the rainforest has the most diverse population of the group.
All of the habitats have large plant populations, but the ocean has the most diverse population of the group.
All of the habitats have large plant populations and are equally diverse.
All of the habitats have large plant populations, but the desert has the most diverse population of the group.
All of the habitats have large plant populations, but the ocean has the most diverse population of the group.
These three habitats are very different, and all contain large plant populations. When comparing the diversity or variety of these habitats, the ocean has the more diverse or varied populations of plants. The ocean has 1 million species compared to 500 or 80,000 species.
Example Question #3 : Diverse Habitats
Which habitat shows the most diversity in plant species?
The habitat that shows the most diversity in plant species is the jungle. In the jungle photo, there are multiple plant species shown, whereas the desert, Arctic, and grasslands show many fewer varieties of plants. The Amazon rainforest has 80,000 plant species, whereas the Sahara desert only has 500.
Example Question #5 : Diverse Habitats
There are diverse plant species all over the world, and they vary in each habitat.
True
False
True
The statement is true because plant species are diverse and live in many different habitats around the world. Plants adapt to their environment and are perfectly suited to living in that location. Some habitats feature many species of plants, while others only host a few.
Example Question #4 : Diverse Habitats
Which habitat shows the least diversity in plant species?
The habitat that shows the least diversity in plant species is the Arctic tundra. In the other environments, there are at least one plant species, if not more. The Amazon jungle is home to nearly 80,000 plant species, and forests house a diverse population of plants as well. The grasslands only show one plant species, but depending on the area, there can be more.
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