Study Guide Fourth Grade Richmond Public Schools 2003 Written by the Elementary Science Lead Teachers

2002-2003 Elementary Science Lead Teachers Bellevue Blackwell Blackwell Annex Broad Rock Carver Cary Chimborazo Clark Springs Fairfield Fisher Fox Francis Ginter Park Greene Holton Miles Jones Mason Mary Scott Maymont Mary Munford A.V. Norrell Oak Grove Overby-Sheppard Patrick Henry Redd Reid Southampton Stuart Summer Hill Swansboro Westover Hills Whitcomb Woodville

Crystal Clark Jocelyn Edwards Virginia Hayes Yvette Hubbard Richard O’Brien Beth Sawyer Tracy Smith Lillie Ratliff-Ross Rita Williams Paige Kestler-Belcher Cheryl Brown Marcie Byrne Maeola Strother Carolyn Coleman Heidi Roberts Maricia Hayes Vicki Robertson Michelle Parsons Angela Bailey John Bennett Carolyn Doyle Phyllis Parham Jerome Holmes Greg Stallings Pam Parsons Sandra Hicks Joe Jenkins Katherine Martin Nicole Brooks-Giles Cynthia Gino Charmaine Brooks David Probst

Laura Wilkowski, Science Instructional Specialist Nelson Colbert, Science Instructional Specialist

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Study Guide Questions - Grade Four 4.1 Experimental Design 1. A toy car is let go at the top of a ramp that has sandpaper as its surface. The experiment is repeated on a similar ramp with a hard plastic surface. What is the most likely result of this experiment? a. The toy car on the plastic ramp will stop at the bottom of the ramp. b. The toy car on the sandpaper ramp will stop before it gets to the bottom of the ramp. c. The toy car on the plastic ramp will travel further than the one on the sandpaper ramp. d. The toy car on the sandpaper ramp will travel further than the on the plastic ramp. 2. Maria does an experiment in which she times how long it takes for water to boil with different amounts of salt in it. Her teacher tells her it is good but that she has to do the whole thing over at least two more times. What is her teacher trying to tell her? a. Scientists like to repeat experiments because it takes a lot of time. b. An experiment needs to be repeated several times to make sure the results are accurate. c. Experiments shouldn’t be done again because you may get different results. d. Boiling water with salt is not a good experiment.

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3. Larry is experimenting with plants. He grew all of his plants from seeds. They were all started at the same time, given the same amount of light, water, plant food and kept at the same temperature. The only thing that Larry changed was the soil in the different pots. Larry states in his experiment that the same amount of light, water, plant food and the same temperature were his a. constants b. independent variables c. dependent variables d. controls 4. Which will measure air temperature?

a.

b.

c.

d.

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5. Write four observations for the picture below. Then make a prediction about what might happen next.

Observations: 1. 2. 3. 4. Prediction:

6. Gather ten different books from your classroom or home. List below categories into which they might be grouped. All books

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7. Write three observations and one inference about the picture below. Observations: 1. 2. 3. 4. Inference:

8. What is the volume of liquid in the graduated cylinder below?

9. What is the mass of the apple below? 1 0 g a. b. c. d.

more than 10 g less than 10g exactly 10 g none of the above

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4.2 Energy 1. If a person presses as hard as they can against a brick wall but it doesn’t move, then a. work is not being done. b. work is being done. c. no energy is being used. d. potential energy is turned into work energy. 2. When a moving object rubs against something, it slows down because of a force called a. b. c. d.

inertia speed gravity friction

3. A force that pulls two objects together is called a. inertia b. speed c. gravity d. friction

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4. 3 Electricity 1. Which of these is NOT an example of static electricity? a. a wire wrapped around a magnet b. rubbing a balloon in your hair and sticking it on the wall c. shocking a friend with your finger after walking on a carpet d. clothes sticking together after removing them from a dryer 2. A circuit that allows one light bulb to remain lit while another connected bulb stays off is: a. b. c. d.

parallel series open magnetic

3. Which of these are not conductors? a. aluminum and copper b. lemon juice and tap water c. plastic and wood d. the human body and water

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4. Benjamin Franklin discovered the form of energy produced by lightning. Experiments with lightning killed many people before he discovered that lightning is a form of a. gravity b. water c. magnetism d. electricity

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4.4 Plant Life 1. What are the colorful parts of flowers that protect the flower parts where seeds are made? a. b. c. d.

sepals stamens pistils petals

2. The movement of pollen from a stamen to a pistil is a. b. c. d.

pollination migration germination dormant

3. Bees help pollinate flowers by a. b. c. d.

eating pollen scattering seeds carrying nectar carrying pollen from one flower to another

4. Which gas do plants use during photosynthesis? a. Oxygen b. Nitrogen c. Carbon dioxide d. Natural gas

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5. Green plants make their own food using the energy from the e. sun f. soil g. air h. water

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4.5 Plants & Animals in Ecosystems 1. Organisms at the beginning of every food chain are called a. b. c. d.

omnivores carnivores producers consumers

2. A food chain is an example of how energy flows. Which example is the correct order in which energy flows a. consumer, herbivore, omnivore b. producer, herbivore, carnivore c. carnivore, herbivore, omnivore d. producer, carnivore, herbivore 3.Pollution is an example of a. b. c. d.

plant life in oceans positive impact on ecosystems human impact on ecosystems animal growth during hibernation

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4.6 Weather 1. A large amount of air that has a certain temperature is a (an) ____________. a. b. c. d.

front air pressure air mass d . low pressure area

2. What instrument would you use to see which direction the wind is blowing? a. b. c. d.

anemometer hygrometer wind vane barometer

3. A place where cool air is sinking is a __________________. a. b. c. d.

low pressure area front high pressure area hurricane

4. Which is NOT a form of precipitation? A Rain B Snow C Hail D Sunlight 5. What is the amount of moisture in the air called? A Air Pressure B Humidity C Atmosphere D Wind Chill

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6. What is the boundary of air masses of different temperature and humidity called? A Air Pressure B Precipitation C Front D Dew Point 7. What weather instrument measures air pressure? A Barometer B Thermometer C Hygrometer D Anemometer 8. Which is NOT part of the water cycle? A Precipitation B Inversion C Condensation D Evaporation 9. What do thermometers measure? A Humidity B Wind Speed C Heat Energy D Air Pressure 10. Which type of weather is most likely to cause flooding? A Hurricane B Snowstorm C Wind D Fog

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11. What type of cloud is shown below? A Cirrus B Stratus C Nimbostratus D Cumulus

**Questions 4-11 from http://www.rcs.k12.va.us/mces/Questions.html

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4.7 Earth Moon & Sun 1. ___________ is the force that keeps the earth in rotation around the sun. a. b. c. d.

physics geology gravity magnetism

2. The imaginary pole that the earth spins on is called its a. gravity b. moon c. axis d. meteor 3. What causes the seasons of the year? a. tilt & revolution b. rotation c. day and night d. the axis

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4.8 Natural Resources of VA 1. Which of the following is not an important crop of Virginia? a. b. c. d.

tobacco rice peanuts apples

2. Our watershed is important to us because it a. b. c. d.

stores seawater provides good quality water gives us seaweed to eat provides animals with a ready food source.

3. What is another name for farming? a. b. c. d.

livestock fertile agriculture domesticated

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