Measurement
Which instrument should a students use to measure exactly 10 ml of water?
a. balance b. beaker
c. ruler d. thermometer
B. beaker
A definite shape and a definite volume are properties of which state of matter?
a. solid c. solid and liquid
b. liquid d. liquid and gas
A. Solid
Many birds fly south for the winter. This adaptation is called ____________.
a. hibernation
b. germination
c. migration
d. communication
C. migration
Which Earth movement results in day and night?
a. erosion b. deposition
c. revolution d. rotation
D. rotation
Which object is the best conductor of electricity?
a. metal fork
b. rubber boot
c. plastic spoon
d. wooden bat
A. metal fork
Which metric units should be used to describe the mass of an object?
a. centimeters c. grams
b. liters d. degrees Celsius
C. grams
When a solid changes into a liquid it is called:
a. vaporization c. evaporation
b. melting d. condensation
B. melting
Which part of the plant takes in water and nutrients from the soil?
a. root
b. stem
c. flower
d. leaf
A. root
Which force cause objects to be pulled toward the Earth?
a. friction b. gravity
c. light d. electricity
B. Gravity
Which form of energy is found in food?
a. chemical
b. electrical
c. sound
d. mechanical
A. chemical
Which unit of measurement can be used to describe the length of a desk?
a. centimeters c. liters
b. grams d. degrees Celsius
A. centimeters
When a cup of water is put in the freezer, the water's state of matter will change from:
a. liquid to gas c. liquid to solid
b. gas to liquid d. solid to liquid
c. solid to liquid
What physical change would most likely help an animal survive during the winter?
a. tail gets longer
b. fur gets thicker
c. feathers are shed
d. whiskers get shorter
B. fur gets thicker
A students riding a bicycle observes that it moves faster on a smooth road than on a rough road. This happens because the smooth road has _________.
a. less gravity b. more gravity
c. less friction d. more friction
C. less friction
Which type of energy is needed to cut a piece of wood into smaller pieces with a saw?
a. light
b. heat
c. sound
d. mechanical
D. mechanical
Which tool would you use to measure the temperature of water?
Thermometer
What state of matter has a definite shape, definite mass, and a definite size?
a. gas c. liquid
b. solid d. solid and liquid
B. solid
What is the major source of energy for food chains?
a. water
b. air
c. sunlight
d. grass
C. sunlight
Fill in the blank:
The Sun rises and sets each day because the _________ rotates.
a. earth b. sun
c. moon d. day
A. Earth
What form of energy causes and ice cube to melt?
a. mechanical
b. magnetic
c. sound
d. heat
D. heat
Which unit is used to measure how warm or cool the air is?
Celsius or Fahrenheit
When a liquid changes into a gas it is called;
a. vaporization c. condensation
b. sublimation d. evaporation
D. Evaporation
When plants and animals die, which organism helps return nutrients to the food chain?
a. decomposers
b. predators
c. prey
d. producers
A. decomposers
A student rubs her hands together on a cold winter day. The heat that warms her hands is produced by______.
a. friction b. gravity
c. light d. magnetism
A. friction
Which property of an object describes how easily electricity travels through it?
a. color b. temperature
c. reflectivity d. conductivity
D. Conductivity