Parents decide to alter the genes of their future child so that they will have greater strength. This is an example of...?
What is genetic engineering.
100
Which term identifies a group of cells that work
together to perform a similar function?
(1) molecule (3) organism
(2) organ (4) tissue
What is 2 (organ).
100
What is the correct term that describes the day to day conditions of the atmosphere over a short period of time.
What is weather.
100
Describe what a producer is and give an example.
A producer uses the energy from the sun to make its own food. (Grass)
100
1 - Identify the three phases of matter.
and
2 - As a liquid is heated, what will eventually happen (phase)?
What is solid, liquid, and gas.
As a liquid is heated, it will eventually evaporate and turn into a gas.
200
Farmers breed a particular corn plant that is resistant to bugs in order to increase their production. This is an example of ...?
What is selective breeding.
200
What do the arrows in a food chain/web represent?
What is the flow of energy.
200
A cat jumps when startled by a loud noise. This
is an example of an organism...
(1) sensing and responding to its external environment
(2) sensing and responding to its internal environment
(3) changing and controlling its external environment
(4) changing and controlling its internal environmen
What is 1.
200
Sound will not travel in a
(1) solid
(2) gas
(3) liquid
(4) vacuum
What is a solid.
200
Young frogs do not resemble adult frogs. What
term is given to this pattern of development in
frogs
Metamorphosis
300
The hydra reproduces asexually. What percentage of the offspring's genetic information is the same as that of the parent.
What is 100%.
300
If a person is pulling a box with a force of 10N and another person (on the opposite side) is pushing the same box with a force of 20N what is the total force being applied to the box?
What is 30N.
300
Organisms that consume wastes to obtain the nutrients they need to survive are classified as...
(1) decomposers (3) predators
(2) herbivores (4) producers
What is 1.
300
Which sequence of development is correct?
(1) fertilized egg→tissues→organ systems→organs
(2) fertilized egg→organ systems→organs→tissues
(3) fertilized egg→organs→tissues→organ systems
(4) fertilized egg→tissues→organs→organ systems
4
300
Identify an energy source that is nonrenewable.
What is fossil fuels. (coal)
400
Describe one advantage (other than cost) of using wind turbines rather than burning fossil fuels to produce electricity.
and
Describe one disadvantage (other than cost) of using wind turbines rather than burning fossil fuels to produce electricity.
Advantage - Pollution free
Disadvantage -Wind is not predictable, does not maintain a constant speed, less output of electricity
400
What type of weather typically occurs along a front?
What is precipitation.
400
When a person breathes, the lungs absorb oxygen, which is used by cells to carry out what process?
What is respiration.
400
Which action forms a different chemical substance?
(1) crushing a rock
(2) burning a piece of wood
(3) mixing salt and pepper
(4) melting an ice cube
2
500
A beaker contains table salt dissolved in water. Describe
one method a student could use to separate the
salt from the solution.
What is evaporation of the water.
500
A student pushes against a tree with a force of
10 newtons (N). The tree does not move. What
is the amount of force exerted by the tree on the
student
What is 10N.
500
Calculate the density using the given information below:
Mass = 18.0 g
Volume = 3.0 cm3
** Label with units!
Density = 6.0 g/cm3
500
Mesosaurus was a freshwater reptile that existed on Earth about 250 million years ago.
Give an explanation for why these freshwater Mesosaurus
fossils are found today in some rock layers in both South America and Africa?
What is the continents were once connected as a single landmass.
500
What is likely to happen if a person consumes more Calories than needed for daily activities?