Science Leap Practice

Has the continents on the earth always been separated?

• True

• False

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

select every section of the earth.

• Inner Core

• Outer Core

• Mantle

• The Crust

An animal cannot make its own food and must eat other organisms. What term best describes this animal?

• a. Heterotroph

• b. Autotroph

• c. Producer

• d. None of these

Which way will the box in the picture accelerate? (Click on the question to see the picture more clearly!)

• Left

• Right

• Stay Stil

• Up and Down

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of these changes would likely occur if the rate of the Earth's rotation on its axis increased?

• The length of the seasons would be shorter.

• The length of the seasons would be longer.

• The length of the day would be shorter.

• The length of the day would be longer.

Revolve

• to orbit or spin around something.

• period of the year distinguished by special climatic conditions.

• an invisible line around which an object spins.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Students are asked to create a system using two mirrors and a flashlight to hit a target with a beam of light. Which diagram correctly uses the two mirrors and the flashlight to hit the target?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

Which of these living organisms was interacting with another living organism in the environment?

• Fire ant

• Blue jay

• Bee

• Hawk

Tags

NGSS.MS-LS2-2

Data for four animal populations in a wooded area were collected before and after a shopping mall was constructed near the area. The graph above shows changes in the populations. Which animal's food sources most likely increased after the mall opened?

• Squirrels only

• Snakes, squirrels and raccoons

• Raccoons only

• Snakes, squirrels and deer

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Stars that are far away appear __ even though they might be brighter than our own Sun.

• brighter

• farther

• closer

• dimmer