Chemical & Physical Change
Is mixing salt in a cup of water a physical or chemical change?
What is a Physical change?
How long is Earth's full rotation on its axis?
24 hours
What is the main reason Earth experiences seasons?
What is Earth's tilt on axis?
What comes first primary or secondary succession?
Primary succession.
What structure controls what enters and leaves both plants and animal cells?
What is the cell membrane?
What is the main difference between physical and chemical change and how can you distinguish them?(Doesn't have to be the exact answer, just close to it)
Physical change can be reverted while chemical change can’t.
What causes phases of the moon?(Doesn't have to be the exact answer, just close to it)
The moons position to the Earth and Sun
When the northern hemisphere is tilted toward the sun, what season is it?
Which succession comes after a flood.
Secondary succession
What is the Organelle found in plant cells and responsible for photosynthesis?
What is the Chloroplasts?
Is digesting food a physical or chemical change?
What is a Chemical change?
Why do we experience tides on Earth?(Doesn't have to be the exact answer, just close to it)
What is the Gravitational pull of the sun and moon?
Which hemisphere experiences winter when the southern hemisphere experiences summer?
What is the Northern Hemisphere?
What comes after a volcanic eruption?
What is Primary succession.
What is the Main function of the Mitochondria?
Produces energy for cells
How can you tell a chemical change has occurred?(Doesn't have to be the exact answer, just close to it)
Color, Temperature, precipitation, Etc.
Reason why Earth has a year?
Earth's rotation around the sun
What happens to daylight hours when the Northern Hemisphere Experiences winter?
They decrease
What is the main organism of Primary succession?
What are Moss and Lichen.
Which structure gives plants their shape?
What is the Cell Wall?
What is one example of a chemical change?
(Answers may vary)
Vinegar and Baking Soda(Just an example)
Which layer is visible from the sun during solar eclipse?
What is the Photosphere
Which event marks the beginning of spring in the Northern Hemisphere?
What is Vernal Equinox?
What is the difference between primary succession and secondary succession?(Doesn't have to be the exact answer, just close to it)
Primary succession makes a habit live-able, and secondary re-stabilizes an already live-able habitat.
What is the role of the nucleus in both plants and animals?(Doesn't have to be the exact answer, just close to it)
Control the cells activities