Unit 1 Lesson 3 & 5 Quiz

Kiera is planning an investigation of fossils that scientists have found where she lives in Florida. Which would be her best source of information?

• science dictionary

• book about dinosaurs

• local science museum

• television show about rocks

Michi places a beaker of water in sunlight and measures how the water temperature changes. Which unit of measurement will Michi use to record his data?

• grams

• centimeters

• degrees Celsius

• cubic centimeters

Students in Zoe’s class measure the time it takes a toy car to move along a track. Why should Zoe compare her data to other students’ data?

• to choose the best time to record

• to see if she needs to change her data

• to decide why the car moved slowly

• to see if her data match other students’ data

Lataya collects one leaf from each tree around the school. What would be the best way for Lataya to find out which leaf has the greatest mass?

• Hold the leaves, two at a time, in her hands.

• Find the mass of each leaf in a pan balance.

• Lay each leaf on a table beside a measuring tape.

• Hang all of the leaves together from a spring scale.

Shawna is studying two types of fish for a project. She draws pictures of the fish.

Which is an observation Shawna might make of the fish?

• The boxfish has a funny shape.

• Most people have seen pictures of the clown fish.

• People will laugh when they see the boxfish picture.

• The clown fish has stripes around its head, body, and tail.

Thad looks at a photograph of a tadpole. He wonders how the tadpole’s body changes as the tadpole grows. What type of model would be most useful for Thad to observe?

• a set of plastic models of two different types of frogs

• a computer animation that follows a frog through its life cycle

• a set of diagrams that shows the different parts of a frog’s body

• a photograph of a tadpole and a photograph of a fully grown frog

A scientist plans to create a model of a coral reef. What must the scientist do when building the model?

• include the most important parts

• use a computer to build the model

• build the model the same size as a reef

• build the model so that it can be taken apart

Scientists use different models depending on the subject they are studying. What is true about all models?

• Models are made by humans.

• Models represent one object at a time.

• Models are the same size as the objects they represent.

• Models include every detail of the objects they represent.

Kate thinks about how to plant a garden. She imagines where the garden will be. She pictures what will grow in her garden and where. Next, Kate draws a picture of her garden. What is Kate doing?

• She is creating two kinds of mental models.

• She is creating a two-dimensional model from a mental model.

• She is creating a three-dimensional model from a mental model.

• She is creating a three-dimensional model from a two-dimensional model.

Vanessa reads that a bird’s bones are hollow but strong. Vanessa wants to build a three-dimensional model of a bird. Which material would be her best choice to use for bones in her model?

• toothpicks

• modeling clay

• blades of grass

• drinking straws