What is the continuous change that rocks go through where they change from one type to another?
Rock cycle
Which two objects are nonliving?
A. Deer and fish
B. tree and grass
C. rock and river
D. trees and the sun
C- rock and river
the rest each have at least one living thing in the pair
What is the name for the type of electricty that happens when you drag your feet on the carpet and shock your friend?
A. current electricity
b. magnetic electricity
c. simple electricity
d. static electricity
D. static electricity
Which process changes the shape of the rock layers over time?
A. condensation
b. evaporation
c. erosion
d. magnetism
What are the four layers of the earth?
- inner core, outer core, mantle, crust
What are the three types of rocks?
metamorphic, igneous, sedimentary
A basic need for both plants and animals
A. soil
B. water
C. shelter
D. Light
Water
Both plants and animals need water
The two ends of a magnet are called the _____.
the two ends of a magnet are called the poles.
Which force would cause a rock to move from a high cliff down the hill?
a. electricity
b. gravity
c. friction
b. gravity
the three states of matter are
solid, liquid, gas
rock that forms when magma cools
igneous rock
Which part of the ecosystem is alive and provides oxygen for animals?
A. soil
B.plant
c. water
d. mushroom
b. plants
plants are the major provider of oxygen for the earth's atmosphere. plants are considered living because they engage in purposeful reproduction and respond to stimuli.
A. piece of cloth
b. paper clip
c. rubber stopper
d. popsicle stick
B. paper clip
A paper clip is made of metal, so it is a good conductor of electricity
Our earth is made up of what percentage of water?
75%
Which adaptation of the American bullfrog helps it hide in the grass?
A. long and sticky tongue
b. over 6 inches in size
c. brown and green color
d. large eyes on top of head
c. brown and green color
the brown and green coloring is a form of protection that allows the bullfrog to better blend in with its surroundings
rock that is formed when heat and pressure is applied to an existing rock
metamorphic rock
which two environmental changes usually cause certain animals to migrate?
a change of season and fewer predators
b. change of season and less food
c. loss of habitat and fewer predators
d. loss of habitat and more food
b. change of season and less food.
Which of the following is a good insulator?
A. water
B. a penny
C. aluminum foil
D. paper
D. paper
paper does not conduct electricity so it is a good insultor
What percentage of earth is made up of land?
25%
A song is playing on a radio. Which statement describes the change in the flow of energy?
A. electrical energy is changed to light energy
b. electrical energy is changed to sound energy
c. sound energy is changed to light energy
d. sound energy is changed to electrical energy
b. electrical energy is changed to sound energy
electrical energy is converted into sound waves by causing vibrations within the radio's speakers
rock that forms when sediments are laid down on top of each other in layers overtime
sedimentary rock
Which best describes a fossil?
A. they are preserved remains or evidence of ancient living things.
B. they are the preserved remains or evidence of ancient living and nonliving things.
C. they are the preserved bones of ancient animals
D. they are impressions of plant leaves in ancient rocks
A. They are the preserved remains or evidence of ancient living things.
Which correctly describes magnetism?
A. like poles of a magnet attract, while opposite poles repel
B. Like poles of a magnet expand, while opposite poles contract.
C. Like poles of a magnet repel, while opposite poles attract.
D. Like poles of a magnet contract, while opposite poles expand.
C. Like poles of a magnet repel, while opposite poles attract
what is there more of on our planet? salt water or fresh water
salt---- oceans
Evaporation is
A. what causes matter to change state
b. the process of a liquid changing into a gas
c. the process of a gas changing into a liquid
d. when it rains outside
b-the process of a liquid changing into a gas