Warm Ups #1-1 – 1-14

1. Warm Ups #1-1 – 1-14

2. Warm Up #1-1, August 20 • Describe what will you need to be successful this year? • School is important because_____________. • What kind of teacher do you want? • Our class should be ___________ everyday. • Explain what do you hope to learn about this year in 7th grade science? • What should students in our class do everyday to make sure that class runs smoothly?

3. Warm Up # 1-2 – August 25 • Answer all of the questions to the best of your ability in complete sentences . Three groups of students decided to design experiments to learn more about the process of evaporation. One group of students used the four different containers shown below. The students poured 100 milliliters of water at 20°C into each container. The containers were placed side by side on a table near the window for 24 hours. The next day the students used a graduated cylinder to measure the amount of water left in each container. • Write one question the students were probably trying to answer in their investigation. • Explain why the students put the containers side by side instead of putting each container in a different room.

4. Warm Up #1-3, August 26 Answer all of the questions to the best of your ability in complete sentences • What are two reasons why it is important to follow directions carefully in a laboratory investigation? • List three things that might happen if you do not follow directions in the laboratory? • List and describe the steps in the scientific method.

5. Warm Up # 1-4 – August 27 • Answer all of the questions to the best of your ability in complete sentences and with part of the question in the answer. • List 3 things that Ms. Schmidt did unsafely in the lab on Tuesday and what she should have done instead. • List and describe the steps in the scientific method.

6. Warm Up #1-5 – August 28 Answer all of the questions to the best of your ability in complete sentences and with part of the question in the answer. • How can you tell whether a chemical change or a physical change has occurred? • What are some examples of the sorts of changes you might see happening for a physical change? • What are some examples of the sorts of changes you might see happening for a chemical change? • What is the difference between an observation and inference?

7. Warm Up #1-6 – August 29 1. In the chart below, fill in the two types of observations that we make in science and then using complete sentences, give a description of each observation. 2. In your own words describe what an inference is. 3. Using this picture and a T-chart, list observations and inferences a. B. C.

8. Warm Up #1-7, September 2 Please write in a complete sentence with part of the question in the answer. Ex: A __________________ is a scientist that studies animals. 1. Which of the following scientists studies animals? A. Botanist, B. Zoologist, C. Geologist 2. What does a volcanologist study? A. Constellations, B. Plants, C. Volcanoes 3. Which of the following scientists studies insects? A. Mycologist, B. Ornithologist, C. Entomologist 4. Albert Einstein was a scientist famous for his work on physics. Where was he born? A. Germany, B. United States, C. France 5. Which of the following scientists studies the oceans? A. Oceanographer, B. Astronomer, C. Meteorologist 6. Robert Bakker is a famous paleontologist. What did he study? A. Gorillas, B. Birds, C. Dinosaurs 7. Which of the following animals did Diane Fossey spend her life protecting? A. Bengal Tigers, B. Mountain Gorillas, C. Koalas

9. Warm Up #1-8, September 3 Convert the following metrics. • 3.68 kg = __________ g • 568 cm = __________ m • 8700 mL = __________ L • 25 mg = __________ g • 0.101 cm = __________ mm • 250 mL = __________ L • 600 g = __________ kg • 8900 mm = __________ m • 0.000004 m = __________ mm • 0.250 kg = __________ mg

10. Warm Up #1-9 – September 4 Examine the statements. Write “yes” if the topic can be investigated scientifically. Wrote “no” if it cannot be. Then for each item you answered “yes,” rewrite the topic to form a scientific question. • Snakes travel in pairs. • People who don’t recycle should have to pay fines. • You will remember more of what you read if you eat green vegetable while studying. • Each year when the weather gets cold, birds fly to warmer regions. • Trucks use more gasoline then cars.

11. Warm Up #1-10 – September 5 Respond to the questions without a complete sentence • Which of the following is NOT a branch of biology? A.) Botany, B.) Zoology, C.) Seismology • Which of these machines did Johannes Gutenberg invent? A.) Ball point pen, B.)Printing press, C.) Cotton Gin • When was the ENIAC computer turned on for the first time? A. )1936, B. )1946, C.) 1956 • What did Edward Binney and Harold Smith invent in 1903? A.) Post-it Notes, B.) Scotch Tape, C. )Crayola Crayons • Which inventor is known for the creation of air conditioning? A. )Perry L. Spencer, B. )W. H. Carrier, C.) Elisha G. Otis • Which was invented first? A.) Telephone, B. )Microwave Oven, C.) Light Bulb

12. Warm Up #1-11 – September 8 The second group of students decided to see if different liquids evaporate at the same rate at room temperature. The students decided to test three liquids: freshwater, saltwater, and rubbing alcohol. The students poured 50 mL of each liquid into a separate beaker. All the beakers were placed next to one another on a shelf. After two days, the students used a graduated cylinder to measure the amount of liquid remaining in each beaker. The table below shows the results. Results – After Two Days – Question: Before the experiment, the students had the hypothesis that salt water would evaporate faster than the other liquids. Do the results of the experiment support the hypothesis? Explain your answer.

13. Warm Up #1-12, September 9 For each of the following situations, (a) write a testable scientific question and (b) Identify the IV, DV, and CV in the experiment • Compare two different stain removers to learn which one was better at removing stains from clothing. • Compare two different paper towels and identify which is better at absorbing liquids. • Compare three different toothpastes and decide which one whitens teeth the most.

14. Warm Up #1-13, September 10 • Which tool would best be used to measure the melting point of an unknown substance? • What tool would you use to find the volume of a substance? • A student is conducting an investigation to determine what toy is easiest for his dog, a golden retriever to catch. He tests the following toys: a plastic disc, a tennis ball, a small stuffed toy, and a plastic squeaky toy. Then he performs the investigation using the same toys with his friend’s dog, a cocker spaniel. • Will the results of both investigations be the same? Explain your answer. • A scientist divides a henhouse in half and feeds one half of the hens regular chicken feed. The scientist feeds the other half of the hens regular chicken feed with a vitamin supplement. The scientist then measures the size of the eggs from all the hens in the henhouse and puts the data into a table. • What scientific question do you think the scientist is trying to answer?

15. Warm Up # 1-14, September 11 Respond in a complete sentence. • How hot is lightning? A. 1,000°F B. 40,000°F C. 70,000°F • When is the lowest temperature of the day usually observed? A. Midnight B. 3 AM C. Sunrise • The strongest winds ever recorded were: A. 127 mph B. 183 mph C. 231 mph • Over 80% of all tornadoes occur: A. between noon and midnight. B. between midnight and sunrise. C. between sunrise and noon. • The largest hailstone on record was 17.5 inches in circumference. How much did it weigh? A. 2 pounds B. 5 pounds C. 8 pounds • If the time between the lightning bolt and thunder is 10 seconds, how far away is the storm? A. 2 miles B. 4 miles C. 6 miles