science mid term
Terms
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- if a person's heartbeat is too slow or uneven, it can be regulated by a
- pacemaker
- endothermic animals maintain a stable internal body temperature
- true
- a solution is an example of a chemical change
- physical
- cell walls are found in animal cells
- false; plant
- the process by which organism's reproduce and make organisms like themselves is called
- reproduction
- to show vhanges in a quantity over time, you would use a ?
- line graph
- the heart blood and a network of blood vessels make up the human endocrone system
- false; circulatory
- organelles that conatin digestive enzymes for breaking down food molecule are called
- lysosomes
- RNA and DNA are two types of
- nucleic acid
- each element is made up of only one kind of atom
- true
- the SI unit system is based on multiples of ten
- true
- to survive in their ebvoirmant, all living things need energy, food, water, air, living space and
- proper temperature
- nonliving things are adapted to thier envoirment
- faslse; living
- plants have oval-shaped organelles that use chlorophyll are called
- chloroplasts
- which of the following characteristics of the earth explains why most of the water of the earth is in a liquid state
- distance from the sun
- the earth's surface is made of mostly land
- false; water
- each element is made up of two or more atoms that are chemically bonded together to form a
- molecule
- what tpy of graph would u use for 25 people have bwon hair ,15 people have blonde hair,30 people have black hair, and 10 people have red hair
- bar graph
- which of the following is an example of a metabolic process
- breaking down foods
- organelles that act as centers of manufacturing and shipping within a cell are called
- Goilgi Bodies
- which of the following is a function of the cell membrane
- it controls the movement of substances into and out of the cell
- mass, density, volume, color, and shape are all properties of matter which is a
- physical
- organelles that release enegry stored inside food are called
- mitochondria
- what is a disadvatage to to using a TEM microscope to view living cells
- TEM electron beans produce a vacuum
- carbon doixide is the most abundant gas in the air
- false; nitrogen
- the network of tubes and cannals that carries materials throughout the cell is the
- Endoplasmic Recticulum
- liquids have definitem shape and definite volume
- false; solids
- RNA directs a cell to perform all of its processes
- false; DNA
- Which serires shows the correct order of units from smallest to largest?
- milligram, sentigram, gram, kilogram
- an electron microscope ise light to prduce images of tiny objects
- false; electrons
- which of the following is true about a scientific theory?
- all of the above
- Which of the following is a hypothesis
- My knee hurts after I run because i need new running shoes
- most of the earth's water is fresh
- false; salt
- to show how the parts of something relate to the whole, you would use a ?
- circle graph
- Goilgi bodies are fluid sacs in the cytoplasm in which water, food materials, and wastes are stroed
- false; vacuoles
- two or more elements joined together from a compound
- true
- the ability of a cell to maintian a stable internal envoiument is called
- homeostasis
- when working in a scince lab it it crucial you read the instructins after you start
- false; before
- the following five oceans make up the world oceans pacific, atlantic, indian, antarctic
- arctic
- DNA is stored insiide the cell's endoplasmic Reticulum
- flase; nucleus
- a human's body amss is 70 percent water
- true
- of the five oceans the atlantic is the largest and the deepest
- false; pacific
- which of the following is most like a person with goosebumps
- a bird with puffed out feathers
- the larger outer planets in the solar system are made up of most;y gas
- true
- the constant balancing of an organism's energy producing processes and its energy using processes is called
- metabolism
- the nucleus of a cell is the cell's control center and controls cell reproduction
- true