Unit 1
Why does our sun look so much bigger than the other stars in the sky?
Our sun looks so much bigger than the other stars in the sky because it is the closest star to Earth.
Everything is made of matter.
How can you tell if a Chemical Reaction has occurred?
When a chemical reaction happens a new substance with new properties has occurred.
What is needed for photosynthesis?
Photosynthesis needs carbon dioxide, water, and energy from the sunlight.
A Hurricane will be here within one week and we have collected $600 to fix our beach erosion. What is the problem with this project?
The problem for this project is that we only have $600 and we have one week to complete the project.
What causes the Earth to have seasons?
The Earth has seasons because of the Earth's tilt.
What do living things have in common with non living things?
Living and non living things are both made of matter or atoms.
What is it called when water changes from a gas to a liquid?
Evaporation is when a gas changes from a gas to a liquid.
Where does all energy in an ecosystem start from?
All energy in an ecosystem starts at the sun.
What happens to the molecules of a plant when it dies?
The plant's molecules are recycled when it decomposes.
What causes the Earth to have day and night?
The Earth's rotation or spin causes the Earth to have day and night.
How do the molecules behave in a liquid?
The molecules in a liquid slide by each other and take the shape of their container.
What is it called when a liquid changes from a liquid to a gas?
Condensation is when a liquid changes to a gas.
What happens to a plant's matter when it dies?
The matter is recycled when it decomposes.
Morning dew on the grass is an example of what?
Morning dew on the grass is an example of condensation.
What causes the Earth to have years?
The Earths Revolution around the Sun causes the Earth to have years.
Weighing a piece of clay and then changing the shape of it and weighing it again is an example of what?
This is an example of matter is not created or destroyed when it changes.
Where is most of Earth's freshwater?
Most of Earth's freshwater is underground and in glaciers.
What is always at the beginning of all food webs?
The sun is always at the beginning of all food webs.
A polar bear that only eats fish, where does his energy start and how does it get to him?
The ocean plants get their energy from the sun. The fish eat the plants and get their energy. Then the polar bear gets their energy from the fish that ate the plants.
Which constellation would be best seen in December?
The constellation best seen in December would be Orion.
Any observations on a substance, could also be called what?
Any observations on a substance, could also be called properties of the substance.
What is an example of the hydrosphere and atmosphere interacting?
A cloud forming in the sky is an example of the hydrosphere and atmosphere interacting.
What would you help in your garden if you collected the food scraps from the lunchroom and added it to the soil of a garden?
You would help the decomposers have matter to break down.
Jayden wants to design a container that can catch the dirt and debris before it gets to the river. What is an example of criteria he might use in developing this design?