Unit 2 Lesson 1 Amplify Science

Multiple Choice

Finish the following statement: Scientists use reference books to_______.

• help them study a topic and conduct research.

• color pictures about their topic.

• help them make a recipe.

• conduct experiments.

Multiple Choice

Finish the following statement: When scientists have new ideas that might answer their questions, they

• write them down.

• create a model.

• plan an investigation to gather more evidence.

• do not gather any evidence.

Multiple Choice

Finish the following statement: A constellation is

• an arrangement of planets.

• a name of a star in the solar system.

• an arrangement of stars as seen from Earth.

• a person or animal in space.

Multiple Choice

The Earth orbits around _____

• the sun

• stars

• moon

• other planets

Multiple Choice

A science class is studying gravity. The students must come up with a way to demonstrate evidence of gravity. Which activity can the students do to support their argument that gravity exists?

• Make two toy cars of equal size collide on a table, and watch as they change direction and speed.

• Bounce a ball in the classroom, and show how the bounces get bigger and bigger each time.

• Build two paper airplanes, and see which one can fly to the other side of the classroom the fastest.

• Drop a marble and a feather from the same height, and watch them fall to the ground.

Open Ended

Do you agree with the method students used to demonstrate the evidence of gravity? See the question below. Use the R.A.C.E strategy to answer the question.

You have 5 minutes. Remember MORE is better than less!

Multiple Choice

Which of the sentences below explains how the sun and moon can appear to be the same size in our sky ?

• The sun is larger but closer.

• The sun is larger but farther away.

• The moon is larger but closer.

• The moon is dimmer but farther away.

Multiple Choice

A day is a period of time that includes day and night. This pattern takes ______ hours before the next day starts

• 12

• 24

• 8

• 20

Multiple Choice

A _____ is the length of time it takes for Earth to orbit the sun

• day

• month

• week

• year

Multiple Select

Which of the following DOES NOT describe the Earth? Choose at least TWO.

• is a sphere

• flat, like a map

• has an axis

• it is a star

• revolves around the sun

Multiple Choice

Jorge claims that the gravitational force of Earth always pulls objects toward the center of the Earth. Which of the following demonstrations would provide evidence to support his claim?

• dropping objects in many locations while standing on level ground and steep hillsides and sketching how they fall

• throwing a variety of objects into the air at many different angles and sketching how they fall

• weighing many different objects at different places on Earth to show the effects of gravity

• dropping objects from many different heights and recording the time it takes them to fall

Multiple Select

A class wants to make sure that their investigation of the sun’s height above the southern horizon is accurate and done well. Which of the following rules should they follow when collecting their data? Select TWO!

• Observations must be made by the same person each week.

• Observations must be made first thing in the morning.

• Observations must be made at the same time, midday, each week.

• Observations must be made from the same spot each week.