Unit 1 - 7th Grade

To see VERY small organelles in a cell, you must...

• Switch to a more powerful electron microscope

• Cry because it's impossible

• Go to a smaller magnification (10x)

A statement that describes an observed pattern that will happen every time

• Law
• Theory

• Hypothesis

Tags

NGSS.HS-PS2-1

A prediction based on limited evidence often written as an if, then statement

• Hypothesis
• Law

• Theory

An explanation of why something happens in the natural world based on scientific evidence

• Theory
• Hypothesis

• Law

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS1-4

NGSS.MS-LS4-4

How does the nucleus WORK WITH another organelle?

• Important information in the nucleus is used by mitochondria to make usable energy

• There is DNA found in the nucleus

Tags

NGSS.MS-LS1-2

How is the vacuole different in the plant and animal cell?

• There is 1 large vacuole in a plant and many small in an animal

• There is 1 large in an animal and many small in a plant

Tags

NGSS.MS-LS1-2

Plant cells have a chloroplast, but animal cells do not

• True

• False

Animal cells have a cell wall

• True

• False

What kind of cells are these?

• Animal Cells
• Plant Cells

• Both Plant and Animal Cells

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

How is a plant cell DIFFERENT from an animal cell?

• Plant cells convert sunlight into chemical energy through PHOTOSYNTHESIS

• Plant cells make NEW cells from pre-existing cells while animal cells do not

Tags

NGSS.MS-LS1-6