7th Grade Semester 1 Midterm

Match the following:

• human

• tissue

• osteocyte

• organ

• bone marrow

• organ system

• femur (bone)

• organism

• skeletal

• cell

Tags

NGSS.MS-LS1-3

What is the ability to maintain or keep a steady environment inside the body

• absorption

• digestion

• homeostasis

• diffusion

An example of a body maintaining homeostasis:

• absorption

• digestion

• diffusion

• shivering

Cardiac muscle in the heart contracts and relaxes to push blood through the blood vessels is an example of

• energy transformation

• force

• absorption

• secretion

Tags

NGSS.MS-LS1-3

An example of chemical digestion

• churning stomach muscles

• peristalsis pushing food

• teeth grinding and breaking food

• digestive enzymes and acids breaking food down

Tags

NGSS.MS-LS1-7

An example of physical digestion is

• smooth muscle contractions mixing and churning food

• enzymes in saliva breaking down food

  
  

• digestive enzymes and acids breaking food down

• bile breaking down fat

Describe an energy transformation in the digestive system:

• electrical to chemical

• chemical to thermal

• electrical to mechanical

• mechanical to electrical

What happens in photosynthesis?

• carbon dioxide is produced in the presence of sunlight

• glucose is made from carbon dioxide and water in the presence of sunlight

• glucose is made without sunlight

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Photosynthesis takes place in the

• mitochondria

• nucleus

• chloroplast

• cytoplasm

Tags

NGSS.MS-LS1-6

Match the following

• large vacuole

  cell wall

  chloroplast

• bacteria

• smaller vacuoles

• plant cell

• lacks a nucleus

• animal cell

Tags

NGSS.MS-LS1-1