Plants are able to make their own food because they-

• have special parts

• live in different places

• don't have a mouth

• grow from seeds

Tags

NGSS.MS-LS1-6

Gazelles with short legs are caught and eaten by predators more often than gazelles with longer legs. The observation would best support which of the following ideas?

• there are no gazelles with very long legs

• longer legs help gazelles escape predators

• gazelles with shorts legs live longer than others

• all types of predators run faster than gazelles

Tags

NGSS.MS-LS4-4

Farmers notice that an apple tree that does not produce any flowers, will not produce any fruit, and no seeds. This evidence will support the idea that-

• flowers help protect an apple tree from insects.

• an apple tree can't live unless it makes fruit.

• the fruit of some trees doesn't contain seeds.

• apple trees use flowers to produce offspring.

Tags

NGSS.MS-LS1-4

A student has an idea that the leaves of a plant absorb sunlight to help the plant make the sugar it needs as food. To test this idea, the student places some plants in the sunlight. The student covers the leaves of half the plants with dark paper. After two weeks the student tests all the plants for how much sugar they contain. Which observation would support the claim of the student?

• Plants with covered leaves contain much less sugar than the other plants.

• Not all the leaves on all the plants were exactly the same size.

• Some of the plants with covered leaves contained some sugar.

• The test for sugar sometimes does not work and must be repeated.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Frogs have a long tongue that whips out to catch insects and a stomach that digests the eaten bug. Which part of the frog is an internal structure, and which is the external structure?

• the tongue is the internal structure, and the stomach is the external structure

• the stomach is the internal structure on a frog, and the tongue is the external

• Both the tongue and stomach are internal structures

• Both the tongue and the stomach are external structures

Which is the internal and external structure when talking about the fur and beating heart of a mammal?

• Fur is an external structure and a beating heart is an internal structure.

• Fur is an internal structure and a beating heart is an external structure.

• Both are internal structures.

• Both are external structures.

What functions do a beating heart and fur provide to a mammal?

• Fur provides warmth and can shed water. A beating heart pumps blood throughout the whole body of the animal.

• Fur looks pretty, and a heart makes them love each other.

• Fur provides camouflage and a beating heart helps them run fast.

• All the above

What is an internal structure of a cactus plant?

• waxy coat, thick skin, spines, shallow roots

• cells for storing water

• pink flowers

• All the above

What is an external structure of a cactus plant?

• waxy coat, thick skin, spines, shallow roots

• cells for storing water

• pink flowers

• All the above

Where do plants get their energy from?

• sun

• power plants

• wind

• all the above

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3