Science DMAC Review (3-9weeks)

How does a mouse support its ecosystem?

• By providing energy for wolves and foxes

• By providing energy for the the plants.

• By providing shelter for a bobcat

• By providing sunlight for the grass

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The ocean ecosystem supports varied populations of marine life such as clown fish, sea stars, and sea horses.

What other population can be found in this ecosystem?

• Polar bears

• Bald eagles

• Fruit flies

• Squids

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Tigers are apex predators that ambush their prey. Which characteristic helps tigers succeed in their ecosystem?

• Their roar scares prey away when they hunt

• Their paws are loud and alert other animals

• Their stripes serve as camouflage to sneak up on their prey

• Their ears are so small they can't hear well

Tags

NGSS.MS-LS4-4

What is the definition of work?

• A combination of two or more substances that can be easily separated.

• The distance between two items.

• The change of temperature from hot to cold.

• Using a force to change the motion and position of an object.

Tags

NGSS.MS-PS3-5

Which statement describes what the athlete is doing in the picture?

• Doing work by pushing the ball, and changing its motion and position.

• Doing work by pushing the ball, but not changing the ball's position.

• The ball changes position but there is no motion.

• No work is being done in the picture.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

How would the removal of grasshoppers affect the flow of energy in the forest food web?

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The fox eats fruits and seeds. It also eats rabbits, mice, and birds.

What would happen if the population of foxes disappeared?

• The population of mice would decrease.

• The population of birds would decrease.

• The population of rabbits would grow.

• There would be no more fruits or seeds.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Grass depends on sunlight to produce energy. Cows eat grass. Humans eat beef.

What statement describes this flow of energy?

• Cows provide energy for humans.

• Humans provide energy for grass.

• There is no flow of energy.

• Cows provide energy for the sun.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A girl has a box of small plastic spoons . She also has a box of large metal spoons.

The girl puts all spoons into one box.

Why does the girl have a mixture?

• Because the spoons have a temperature of 75°F.

• Because the spoons have the same size.

• Because the spoons can be easily separated.

• Because all the spoons are magnetic.

In science class, students make their own terrarium. They put water, plants, moss, ants, and a lizard.

Which organism starts the flow of energy in the food chain?

• Lizard

• Ants

• Water

• Plants

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3