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WT 387 Exploring Science

Teacher Tips and Answers


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Exploring Science

Science takes you on a journey to discover the wonders of the universe. On this journey, you’ll study living things like animals and nonliving things like planets.

The charts and lists in this chapter give you facts about some of the living and nonliving things you will study in science. They include facts about dinosaurs and other animals and a chart comparing and contrasting the planets of the solar system. You’ll also get help with measurements and find tips for nutrition.

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Animal Facts

Animal Facts
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Dinosaur Family Tree
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Dinosaur Hall of Fame
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Systems of the Human Body

Each body system has a different job. The circulatory system pumps blood. The nervous system lets you think, sense, and move. The respiratory system lets you breathe.

Body Systems 1
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The digestive system processes food. The skeletal system holds you up. The muscular system lets you move. How many parts of these systems do you know about?

Body Systems 2
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Diet and Nutrition

What we eat matters. Certain food groups help us grow, learn, and stay healthy.

Nutritionists created this icon to remind us of what a balanced diet looks like. It includes a mix of five food groups—fruits, vegetables, grains, protein, and dairy. These food groups are the building blocks of a healthy diet.

My Plate
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10 Tips for Healthy Eating

1. Make half your plate fruits and vegetables.

Check your portion sizes. Is half your meal made up of fruits and veggies?

2. Eat whole grains.

Try whole-wheat bread, cereal, and pasta. These foods help with digestion.

3. Choose water instead of soda.

Water keeps you hydrated. It is also better for your teeth than sugary drinks.

4. Eat lean meat for strength.

Protein makes you strong. Chicken, fish, turkey, beans, and lean beef and pork are packed with protein.

5. Snack smartly.

Don’t fill up on snacks before meals, and avoid sugary and overly salty snacks.

6. Cut back on sweets.

Here are some tasty alternatives: yogurt, raisins, string cheese, fruit, or vegetable sticks.

7. Don’t forget dairy.

Pair your meal with a cup of low fat milk or soy milk.

8. Slow down while you eat.

Eat slowly to fully enjoy your food. This will help you know when you’re full.

9. Help out in the kitchen.

Ask a parent if you can assist with cooking or grocery shopping.

10. Combine diet and exercise.

Eating well and exercise are keys to good health.

Important note:
If you’re allergic to certain types of food, avoid eating them. Ask your parent about what food to avoid.

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Our Solar System
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Planet Facts
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U.S. Measurements

Here are some basic units in the United States system of measurement.

U.S. Measures
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The Metric System

Even though the metric system is not the official system of measurement in the United States, it is used in science, medicine, and some other areas. This system of measurement is based on units of 10. Here are some common metric measures.

Metric System
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Vocabulary List:
  • science: observing facts, making guesses about why they occur, and doing experiments to prove or disprove the guesses

Vocabulary List:
  • circulatory system: the heart and blood vessels

  • nervous system: the brain and neurons

  • respiratory system: the lungs and bronchi

Vocabulary List:
  • digestive system: the esophagus, stomach, and intestines

  • skeletal system: the bones

  • muscular system: the muscles

Vocabulary List:
  • metric system: measurement system based on units of 10

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