Leap Review

Quiz
•
Science
•
6th Grade
•
Hard
+15
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Scientist suggest that the movement of Earth's liquid iron core results in electrical currents. These currents would then result in Earth's magnetic field. Recent satellite data suggest that the strength of Earth's magnetic field has weakened by about 3.5 percent in some areas. In other areas, Earth's magnetic field strength has increased by about 2 percent. Which statement best explains the differences in Earth's magnetic field strength based on the movement of Earth's liquid iron core?
The movement of Earth's liquid iron core stopped in both locations.
The movement of Earth's liquid iron core changes direction in some locations.
The movement of Earth's liquid iron core is the same in all locations
The movement of Earth's liquid iron core increased speed in both locations.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement about the forces acting on the balancing rock best explains the stability of the rock over time?
No forces are acting on the rock
the sum of the forces acting on the rock is zero
the force of gravity is not acting on the rock
the force of gravity is the only force acting on the rock
Tags
NGSS.MS-PS2-2
NGSS.MS-PS2-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Based on the information in the model, which statement best explains how DDT was introduced into eagle populations?
The eagles absorbed the DDT directly from the air
The eagles absorbed the DDT directly from the water
The eagles absorbed the DDT after eating large fish
The eagles absorbed the DDT after eating zooplankton
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The engineers observed that the skateboard floats above the track because the magnets on the skateboard ______ the magnets on the track.
attract
repel
make contact with
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The human body's mass consists of four major elements as shown.
Which of the following elements in the human body is represented by 10% on the pie graph?
Oxygen
Hydrogen
Nitrogen
Copper
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following elements in the human body is represented by 10% on the pie graph?
Oxygen
Hydrogen
Nitrogen
Copper
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the process by which plants use sunlight to synthesize foods from carbon dioxide and water called?
Respiration
Photosynthesis
Fermentation
Digestion
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
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