Weathering,Erosion,Deposition
What is weathering?
The slow the process that breaks down rocks into smaller pieces over time
What is the main source of energy for producers like plants?
The sun
What are the 3 physical states of matter?
Solid , Liquid and Gas
What phase comes after a new moon?
Waxing Crescent
Is sunlight renewable or nonrenewable?
Renewable
A river carries sand downstream. What is happening to the sand?
Erosion
What three things do producers need to make their own food?
If an object sinks in water, what can you say about its relative density?
- Its density is greater than water
- Its more dense
What causes the Moon to look different each night from Earth?
-The Moon’s position changes as it orbits earth
-Suns reflections
What is one disadvantage of using oil for energy?
- It pollutes the environment
- It can run out
What elements or actions cause weathering?
Ice, fire, rain, snow, plants
Earthquakes, cutting , sharpening
What is the role of a decomposer in the food web?
To break down dead organisms and return nutrients to the soil
What physical property is used to describe how hot or cold something is?
Temperature
What is the full moon?
When the whole face of the Moon is lit
What is one advantage of using wind as energy?
- Its clean
- It doesnt pollute
- It can be replenished, reused again quickly
A strong wind blows sand against a rock and slowly wears it down. Which type of change is this
Weathering by wind
In a food web, what role do animals that eat only plants play?
Consumers – more specifically, herbivores
Which physical property tells us if an object is attracted to a magnet?
Magnetism
What does “waxing” mean in moon phases?
Give 1 moon phase example
The lit part of the moon is getting bigger
Ex: Waxing Crescent, Waxing Gibbous , First Quarter
Name two renewable resources and two nonrenewable resources.
Ex: (if it doesnt match these I will let you know if it counts)
Renewable - Plants , animals, water
Nonrenewable - Oil, gas, coal,
After moving crumbs from one spot to another, you leave them in a pile. What are you showing?
Deposition
Explain how energy flows through a food web starting from the Sun.
Energy from the Sun goes to producers → then to consumers → then decomposers recycle it
Name two objects that are solid, magnetic, and will sink in water.
Ex: (if your example is not here I will decide if it counts)
Metal spoon, nail
How long does the Moon cycle take to complete?
28- 29.5 Days
Why is it important to use more renewable resources?Give 1 example
They can be replaced easily and help protect the environment