LS1-2

How does the stem of a water lily help the plant grow?

• by holding the roots up so that they do not get buried by sand and dirt

• by keeping the flowers out of the water so they cannot make seeds

• by taking in food from the water so the plant can eat

• by letting the leaves reach the top of the water so the plant can get sunlight

Tags

NGSS.4-LS1-1

The seeds of a flowering plant are contained within a fruit. The picture below shows the fruit of a watermelon plant.

What is the purpose of the fruit?

• digesting the seeds

• fertilizing the seeds

• shading the seeds

• protecting the seeds

Many types of trees grow a thick layer of bark. This bark helps trees to live in a number of different ways

Which of these is a way that bark helps trees to live?

• It catches light from the Sun

• It protects trees from animals that want to eat them

• It protects trees from animals that want to eat them

• It turns into honey for bees to eat.

Tags

NGSS.4-LS1-1

Some crab species have hard outer shells. The hard shell of a crab most likely functions to help the crab..?

• find food.

• protect itself.

• find shelter.

• store water.

Tags

NGSS.MS-LS4-4

Which of the following is NOT a part of a plant's life cycle?

• Seed dispersal

• Pollination

• Eating

• Flowering

Which of the following is NOT a stage in the life cycle of a plant?

• Seed

• Pollination

• Germination

• Adult

The flowchart below can be used as a model of one way animals respond to changes in their environment. Which of the following could the flow chart describe?

• A pigeon feels cold and fluffs up its feathers.

• A hawk sees a mouse moving and swoops down to catch it.

• A rabbit hears something moving nearby and freezes in place.

• A dog smells an animal trail and follows it.

Which statement is supported by the information about barn swallows?

• Barn swallows use their sense of smell to find other swallows.

• Barn swallows use their sense of sight to find their old nest.

• Barn swallows use their sense of hearing to find a mate.

• Barn swallows use their sense of touch to find mud and grass.

Tags

NGSS.MS-LS1-8

A student makes a model of a maze out of cardboard to study how mice locate their food. The student places a piece of cheese at one end of the maze, puts a mouse at the other end of the maze, and covers the maze with a net. The top view of the maze is shown.
Which senses would best guide the mouse to reach the piece of cheese at the end of the maze?

• smell and taste

• sight and sound

• taste and touch

• sight and smell

Tags

NGSS.MS-LS1-8

Look at the facts about the arctic fox.

What characteristic allows the arctic fox to survive in its environment?

• It lives in one of the coldest parts of the world.

• It has very pretty fur that is needed by humans.

• It is most active from September to May.

• It has fur that changes color.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4