This variable in an experiment is the one being deliberately changed by the scientist. (a)  

A student wants to test the effects of type of exercise on heart rate. What is the dependent variable? (a)  

An experiment was carried out to determine whether drinking caffeinated soda increases pulse rate. The pulse rates of two groups of people at rest were measured. Group A was then given caffeinated soda and group B was given caffeine-free soda. One hour after drinking the soda, the pulse rates were measured. The participants in the experiment were all the same age, and they were all given the same amount of soda. The dependent variable in this experiment is the (a)  

Students measure how changing the amount of salt in the water affects plant growth in an aquarium. (a)  

Students investigate the difference between the number of swings of a 3cm and 5cm string in a 1 minute time period. (a)  

Students document features on Earth, such as a earthquake fault. (a)  

Students identify types of organisms eaten by a praying mantis. (a)  

In which type of investigation would you compare the growth of pants given different amounts of fertilizer to a plant that was not given any fertilizer? (a)  

In which type of investigation would you look for similarities between 2 different plants? (a)  

Which type of investigation has a control group? (a)  

Which type of investigation does not have a hypothesis? (a)  

Heat is radiated back to space from earth as (a)  

The energy coming in to from the sun minus the energy being radiated out is known as (a)  

The way in which heat is trapped close to the surface of Earth by gases in our atmosphere is known as (a)  

What is it called when plants give off water vapor as a waste product? (a)  

What is the energy source for the water cycle? (a)  

How does the human body return carbon to the atmosphere in the carbon cycle? (a)  

The largest sink of Carbon on Earth is (a)  

During the process of evaporation in which water is transformed from liquid to a gas, how is energy changing? (a)  

In the carbon cycle, animals can release carbon back into the cycle through (a)   or through (b)   .

What kind of organism takes out the most carbon from the atmosphere? (a)  

Which of the following removes carbon from the atmosphere? (a)  

Which air is less dense? (Which air will rise) (a)  

The same air mass will have the same characteristics including (a)  

Which direction do jet streams generally blow? (a)  

If a storm started in California, due to the jet stream, which direction would the storm eventually move? (a)  

Name that front. (a)  

Name that front. (a)  

Brings some clouds and gentle rains. (a)  

Cold dense air slides underneath warm air. The warm air is forced up, cools, and condenses. (a)  

This is the symbol for which type of front? (a)  

This is the symbol for which type of front? (a)  

Which system results in drier, fairer weather? (a)  

What type of weather will you see along a cold front? (a)  

Located at the leading edge of a warm air mass. Brings gentle rain or light snow, followed by warmer, milder weather.   (a)  

Low pressure will usually bring what kind of weather? (a)  

High pressure will usually bring what kind of weather? (a)  

What is the instrument used to measure air pressure? (a)  

Wind always blows from areas of (a)   towards areas of (b)   .

Determine the winds associated with the image below: (a)  

Which best describes the type of weather associated with low air pressure? (a)  

Which most likely produces clear, cool weather? (a)  

When plants draw nutrients from the soil, the interaction is between which two spheres?  (a)  

Which spheres would feel volcanic eruptions and earthquakes? (a)  

This picture best describes which connection? (a)  

Polar Bears hunt seals on ice: (a)  

A thunderstorm is a connection between: (a)  

Water evaporating from the surface of a lake moves from the (a)  

When carbon dioxide dissolves from the air into the ocean- the interaction is between (a)  

Movements of ocean water in a continuous flow are called? (a)  

The Coriolis Effect is caused by (a)  

Due to the Coriolis Effect, water in the northern hemisphere moves (a)  

Due to the Coriolis Effect, water in the southern hemisphere moves (a)  

Warm ocean currents generally come from (a)  

Deep Ocean currents are a result of (a)  

(a)   causes surface currents.

The more scientific name of the Global Conveyor Belt is (a)   .

Temperature and salinity differences in ocean water cause: (a)  

When water evaporates, residues of (a)   and other minerals that will not evaporate are left behind, making water (b)   .

The gradual increase in density as depth increases is the (a)  

The picture below shows a closed system before and after undergoing a change. (a)  

Jeriah places two metal cubes in contact with each other. Energy transfers as heat flows from Cube A to Cube B. What conclusion can you draw regarding Cube A? (a)  

At room temperature water is a liquid. How could the water be changed to a solid? (a)  

On a hot day the lake water warms and the temperature increases. How does the movement of the particles change? (a)  

Thermal energy always moves from (a)   to (b)   .

The transfer of thermal energy between objects of different temperatures is called (a)  

Hot water rises and cold water sinks. Is this: (a)  

The sun shines down on this family as the play on the beach. (a)  

Heat transfer is also called (a)  

The rising and sinking in fluids is called a (a)