These are microscopic, single-celled organisms that are all around and inside us.
Microorganisms.
100
What does the nucleus in a cell do?
Controls all of the other structures and cell activity.
100
What is a crack in Earth's plates called?
Fault
100
What tool measures the mass of an object?
A balance.
100
When water in an open pan is heated for a long time, it becomes what?
A Gas
200
What structure is only found in vertebrates?
A Backbone
200
This non-living structure provides support for the plant cell.
The Cell Wall
200
What occurs when Earth's crust moves at a fault line?
Earthquake
200
Mass is measured in what units?
Grams
200
Give an example of changing states of matter.
Ice melting, water freezing, or water evaporating.
300
Another name for microorganisms is what?
Microbes
300
Inside every cell of living things are sets of instructions called what?
Genes
300
What is a seismograph?
An instrument that measures motions of the ground, such as earthquakes.
300
A cup weighs 5g, and the cup and popcorn kernels weigh 11g. How much do the kernels weigh?
11-5 = 6 grams.
300
David added baking soda to a beaker containing vinegar. Bubbles started coming from the mixture as a gas was released. The gas was evidence of what?
A Chemical Change
400
What are the five kingdoms?
Animalia, Plantae, Fungae, Protista, Bacteria
400
The long strands of genes strung together are called what?
Chromosomes
400
What is the difference between a levee and a dam?
A dam is a barrier that impounds water to retain it. A levee is a natural or artifical slope or wall to regulate water levels.
400
What do a ball and a rock have in common?
They are both made of matter, or they both have mass.
400
What is the difference between a physical and a chemical change?
A Physical Change only changes the appearance of an item, and can usually be reversed.
A Chemical Change changes what the item is made of (the molecules), and is generally irreversible. Chemical changes produce something new.
500
What are the five groups of vertebrates?
Mammel, Fish, Amphibians, Reptile, Bird
500
A. These genes show most often and are represented by a capital letter. B. These genes show less often, and are represented by a lower case letter.
A. Dominant Genes
B. Recessive Genes
500
What are constructive and destructive processes? Give examples.
Constructive processes: raises or builds up the surface features of the earth, such as deposition. Destructive processes: lowers or tears down the surface features of the earth, such as weathering and erosion. Earthquakes, volcanoes, and faults are examples of both processes.
500
2 Dice: 5 grams, Small Wooden Block: 8 grams, Small Marble: 5 grams, Ping Pong Ball: 2 grams, Penny: 1 gram
What is the mass of 3 pennies, 2 small wooden blocks, and a ping pong ball?
3 + 16 + 2 = 21 grams
500
Which of the following are chemical changes?
Glass breaking, Spoiling food, Burning leaves, Rusting bicycle, Cutting Paper, or Melting Ice?
Spoiling food, Burning Leaves, and a Rusting bicycle