Cells
Ecosystems
Body Systems
Plant Systems
Chemical Change
100
A unicellular cell has how many cells?
One
100
I use the Sun's energy and my green pigments to make sugar from water and carbon dioxide. What am I?
A producer.
100
What is the upper chamber of the heart called?
Atrium
100
What is the purpose of a flower?
To attract pollinators
100
Name a type of physical change
* cutting hair
* melting ice
* melting wax
* freezing water
200
Is this a plant or animal cell?
Name the dark blue structure on the left
It is an animal cell - the structure is the nucleus which contains the cell's DNA
200
Define predator and give an example.
It is an organism that hunts and kills its prey for nutrients. E.g. Grey wolf
200
What connective tissue joins bones together?
Ligaments
200
What is the difference between a plant shoot and plant roots?
Shoots are green and grow above the ground.
Roots are white and grow below the ground.
200
Exothermic reactions, such as adding magnesium metal to hydrochloric acid, release heat.
Is this true or false?
True
300
On the whiteboard, list the following terms in order of size (smallest to largest):
Tissue, Organ system, cell, organ
cell --> tissue --> organ --> organ system
300
Mutualism is a relationship in which both organism benefit. give an example of this in an ecosystem and DESCRIBE how each organism benefits.
Clownfish and the sea anemone. The clownfish is protected from predators by the sea anemone's stinging tentacles, and the sea anemone is protected from its predators by the clownfish chasing them away. Its waste also provides nutrients for the sea anemone.
300
What is the urethra's role in the excretory system?
It carries urine from the kidneys to the bladder
300
Describe TWO things that roots do to keep a plant alive?
* Absorb water and nutrients from the soil
* Anchor the plant in the ground so it doesnt fall over
* Some plants have lumps on their roots that fix nitrogen
300
Name a highly reactive metal that is used in fireworks.
Magnesium
400
What is the rigid outer wall of plant cells called? It strengthens the cell and provides support.
Cell Wall
400
I am a green pigment found in plant leaves. Photosynthesis occurs inside me. What am I?
A chlorophyll pigment
400
Name TWO muscles in the human body and state their location.
Quadriceps - thigh muscle
Abdominals - stomach
Biceps - upper armPectoralis - chest
Deltoid - shoulder
Facial - face
400
What are the tiny holes in the surface of a plant's leaves that let gas/water in and out?
Stomata
400
On the whiteboard, write the WORD equation for respiration.
Oxygen + Glucose ------> Carbon dioxide + Water
500
Name three differences between plant and animal cells
Plant cells have chloroplasts, a cell wall and a large permanent vacuole. Animal cells do not.
500
What was the name of the hurricane that occured in Florida and destroyed the reptile breeding facility? Describe an impact of this event on the ecosystem.
Hurricane Andrew. It led to Burmese pythons invading the Florida Everglades. They have driven small mammals to near extinction and outcompeted native snakes for food.
500
I am a tube of tissue supported by cartilage rings. This prevents me from collapsing and allows air to enter the lungs. What am I?
The Trachea
500
How does a Venus flytrap catch its prey?
Tiny trigger hairs are on the catchers. When a fly touches one, a timer starts. If the fly touches a second one within 20 seconds, the catcher slams shut.
500
On the whiteboard, write the chemical and word equation for rusting iron.
Fe + O2 + H2O -----> FeO
Iron + Oxygen + Water -----> Iron oxide