1
In a chemical change, a _____ substance is formed.
new
The longest organ of the digestive system is the ______.
small intestine
What do we call the amount of space something takes up?
volume
The muscles in which part of the digestive system help push food into the stomach?
a. large intestine
b. mouth
c. esophagus
d. small intestine
c. esophagus
mass
Which two systems are involved in your eyes squinting to avoid bright light?
Nervous and muscular
A flat, horizontal line on a distance/time graph shows what type of movement?
No movement
The main function of the digestive system is the break down food for
a. energy and nutrients
b. oxygen
c. carbon dioxide
d. liquid and waste products
a. energy and nutrients
What are the major parts of the digestive system?
mouth, esophagus, stomach and intestines
The _____ system provides movement for the body.
muscular
Which of the following would provide the least amount of friction?
a. sidewalk
b. wax paper
c. a puddle of water
d. coarse sand paper
c. puddle of water
During digestion, food is mixed with acids and other chemicals that help break down food in the ______.
a. kidneys
b. bladder
c. esophagus
d. stomach
d. stomach
What two things do you need to measure weight? (choose two)
a. mass
b. volume
c. gravity
d. friction
a and c
Where does digestion begin?
mouth
What is the formula for speed?
distance/time
The respiratory system brings ___ into the body and removes ______.
oxygen/ carbon dioxide
Heat is transferred in what direction?
hot to cold
Doug was walking toward his home, he saw his aunt waving to him and began to run home to greet her. What enabled Doug to see that his aunt waved to him was which _____ system?
nervous
What type of heat transfer is the "movement" heat?
convection
What type of heat transfer is the "touch" heat?
conduction
What type of heat transfer is "beamed?"
radiation
Which of the following would be a good conductor?
a. plastic
b. wood
c. metal
d. rubber
c. metal
Which of the following would be a good insulator?
a. glass
b. copper
c. wood
d. nickel
c. wood
Which system does the digestive system work with to distribute nutrients throughout the body?
circulatory system
Which system does the muscular system work with to bring in oxygen and release carbon dioxide?
a. nervous
b. digestive
c. respiratory
d. circulatory
c. respiratory