ENERGY & WAVES
Which of the following is an example of potential energy?
A. A frog jumping in the water
B. Rolling down a grassy hill
C. A speeding car
D. A frog sitting on a lily pad
D. A frog sitting on a lily pad
Which is a gas given off by humans and is used by plants for the process of photosynthesis?
A. Oxygen
B. Sunlight
C. Carbon dioxide
D. Water
C. Carbon dioxide
What is a fossil?
A. A scientist that studies the history of life on Earth
B. Layers of mud and dirt that settles as it hardens to form rock.
C. The remains of plants or animals that lives millions of years ago
C. The remains of plants or animals that lives millions of years ago
What process is the movement of weathered materials, usually caused by wind, water, or ice?
A. Weathering
B. Erosion
C. Deposition
B. Erosion
2. An ___________ is the surroundings or conditions in which a person, animal, or plant lives or operates.
A. change
B. beaver structures
C. Environmnt
D. Atmosphere
C. Environment
Which of the following is an example of kinetic energy?
A. A battery
B. A soccer ball on the grass
C. A soccer ball rolling in the grass
D. An unburned lump of coal
C. A soccer ball rolling in the grass
What are the four things plants need in order for photosynthesis to take place?
Water, Sunlight, Soil, Carbon Dioxide
What type of scientist studies the history of life on Earth through fossils?
A. Archaeologist
B. Paleontologist
C. Astrologist
D. Sociologist
What are natural features of the Earth's surface called?
A. Weathering
B. Erosion
C. Landforms
C. Landforms
6. Which is a positive effect termites have on the environment?
A. They build mounds that provide food to herbivores and water supply to dry areas.
B. They eat through wood structures
C. They build structures to stop the flow of rivers.
A.
Electromagnetic waves are made up of __________ and ___________ fields.
A. electric and sound
B. magnetic and sound
C. electric and magnetic
D. mechanical and magnetic
C. electric and magnetic
Why are plants called producers?
Plants are called producers because they produce their own food through the process of photosynthesis.
When an object is preserved, it is saved or maintained in its original condition.
A. True
B. False
A. True
When the Earth spins one time on its axis that is a __________.
A. Revolution
B. Rotation
C. Axis
D. Orbit
B. Rotation
The outermost layer of the Earth is called the _________
crust
When we look at an object, we see the color of the light that is ___________ off of it.
A. absorbed
B. refracted
C. reflected
A ________ breaks down dead plant and animal materials and provide nutrients to the soil.
decomposer
__________ is layers of dirt and mud that harden to form rock
A. layers
B. preserved
C. fossils
D. sediment
D. sediment
What is the imaginary line around which the Earth rotates? It runs from the North pole to the South pole of the Earth.
A. Equator
B. Axis
C. Orbit
B. Axis
How many layers of the Earth are there?
4 layers of the Earth
The distance between one crest to the next crest in a wave is called the ___________.
A. wavelength
B. crest
C. amplitude
D. trough
A. wavelength
What are the 3 types of consumers?
Describe each one and given an example.
Herbivore - only eats producers/plants
Carnivore - eats other consumers/meat
Omnivore - eats both producers and other consumers
A fossilized seashell is found at the top of a mountain. What does this most likely tell us about the history of the mountain?
A. The mountain was never under water
B. The mountain was once under water
C. The mountain was once in a warmer climate
B. The mountain was once under water
The circular path around which an object follows as it revolves around the sun is called its ________.
A. Axis
B. Equator
C. Orbit
C. Orbit
A ________ is something of value we get from the Earth that is useful to people.
Give 2 examples.
Natural resource