Mixtures
What is a mixture?
A combination of two or more substances in which each keeps its own properties and both can be easily separated
Who is the producer in the food web?
Plants
What is Ms. T's favorite Christmas movie
The Grinch or Polar Express
Strawberries are produces, consumer or decomposers
Producers
If I mix different candies (M&M's, Skittles, and Starburst) together, is that a physical change or chemical change?
Physical Change
Burning wood is a chemical or physical change?
How do plants make their own food
Through process called photosynthesis
In Rudolph the Red Nosed Reindeer, what does Hermey wish he could be instead?
a dentist
Sunlight>Tree>Mouse>Snake
Who is eating the Mouse?
Snake
How do you know that a physical change occurs?
Change in size and color. Also freezing state and melting state.
What might you see when a chemical change is occurring?
Production of gas and change in temperature
Explain Photosynthesis
Plant take in carbon dioxide, sunlight, and water and produce waste products called oxygen and sugar
What is the name of the boy in home alone?
kevin
Sunlight>Tree>Mouse>Snake
Who eats the tree?
mouse
Fruit punch is made by mixing a flavored powder with water. When you add the mix to the water, the properties of the mixture change. Is this a chemical reaction? Explain why or why not.
The powder dissolves in the water. The water changes color and becomes sweet. It is not a chemical reaction because the powder and the water are still the same substances; the powder just dissolved into the water. A chemical reaction happens when a totally new substance is created.
Think back to the mixture explore..... What happened when we mixed the
When the hydrogen peroxide and yeast were mixed, bubbles formed and the temperature increased.. When the vinegar and baking soda were mixed, bubbles formed and the temperature decreased.
What are the name of Santa's reindeer's that start with the letter D? Dasher, Dancer, _______
Donner
An organism that eats another organism is called a ?
Maggie is making pancakes. She notices tiny bubbles popping in the batter as they cook in the skillet. Is the pancake batter changing physically or chemically as it cooks?
The bubbles show that a new gas is being formed by the batter as it cooks. This is a chemical change because a new substance was formed.
What is created when you mixed two substances together and a chemical change occur?
Can plants grow with out soil? What do they only need to survive?
Yes, they only need air, water and sunlight to grow.
What is the treat that the kids on the polar express get?
Hot chocolate
What are decomposers? Give examples
Decomposers break down dead organisms and return nutrients into the soil. Examples are fungi, mushrooms and bacteria
Luke’s iron garden tools were left outside over the winter. When found, they appeared dirty with spots of a reddish-brown, flaky substance. Was this a physical or chemical change? How do you know?
A new substance that was not there before was formed on the tools, so it was a chemical change. The color and texture of the iron changed to reddish-brown and flaky.