Science 7 Exam 2022

What is electricity?

• The movement of atoms
• The movement of electrons
• The movement of protons
• The movement of neutrons

What has or is made of many cells?

• unicellular
• multicellular
• cells

Tags

NGSS.MS-LS1-3

NGSS.MS-LS1-1

Select THREE reasons that would explain why Group 4 was able to lift more paperclips than Group 5.

• Group 4 had more wire coiled around the iron nail than Group 5.
• Group 4 had more current flowing through the wire than Group 5.
• Group 4 had the battery facing in the opposite direction of Group 5.
• Group 4 used a more powerful battery in their design than Group 5.
• Group 4's electromagnet had a stronger magnetic field than Group 5.

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

In a(n) _________ wave, matter moves at a right angle to the wave direction.

• longitudinal
• transverse
• surface
• medium
• N/A

Which TWO cell organelles are responsible for energy for the cells?

• chloroplast in the plant cell
• cell wall in the plant cell
• mitochondrion in the animal cell
• cell membrane in the animal cell
• nucleus in the animal cell

Tags

NGSS.MS-LS1-6

Which of the following is true about poles on magnets?

• North poles attract south poles.
• North poles repel south poles.
• North poles attract North poles.
• South poles attract South poles.
• South poles repel South poles.

Identify whether each model BEST represents reflection, absorption, or transmission. Choices may be used more than once or not at all.

• reflection absorption transmission
• reflection absorption transmission
• reflection absorption transmission
• reflection absorption transmission
• none

Tags

NGSS.MS-PS4-2

How does the cell membrane work together with mitochondria in animal cells?

• The membrane allows molecules into the cell that will be used in cellular respiration in the mitochondria.
• The membrane allows molecules into the cell that will be used in photosynthesis in the mitochondria.
• The membrane provides structure and support for the cell to perform cellular respiration in the mitochondria.
• The membrane provides structure and support for the cell to perform cellular respiration in the mitochondria
• They do not work together

Tags

NGSS.HS-LS1-7

The circulatory and excretory systems work together to help the human body function properly. Which statement BEST supports this claim?

• Organ systems are made up of the same organs.
• Organ systems interact to maintain homeostasis.
• Organ systems perform individual functions for the body.
• Organ systems contain tissues made of specialized cells.
• There was only 4 options

Ohm's law is represented by V = IR (V is voltage, I is current, and R is resistance in the circuit). What will happen to the current in an electrical circuit when the voltage across a resistor is increased?

• The current will increase.
• The current will decrease.
• The current will become zero.
• The current will remain unchanged.

Tags

NGSS.MS-PS3-5