STAAR Blitz Warm-Up Day 2

Light rays bounce off a surface (a)  

• Reflection
• Mechanical energy
• Refraction
• Thermal energy

Tags

5.6A

A form of energy produced by increasing the temperature or adding heat (a)  

• Thermal energy
• Mechanical energy
• Reflection
• Refraction

Tags

5.6A

A form of energy produced by an object moving (a)  

• Mechanical energy
• Reflection
• Refraction
• Thermal energy

Tags

5.6A

Light rays bend when passing from one medium to another (a)  

• Refraction
• Mechanical energy
• Reflection
• Thermal energy

Tags

5.6C

Plant nurseries use light from lamps so plants can perform photosynthesis and make their own food. These lamps also provide heat, so plants do not freeze. What types of energy do the lamps provide in order for plants to live? (a)  

• Thermal energy and light energy
• Sound energy and thermal energy
• Mechanical energy and sound energy
• Light energy and mechanical energy

Tags

5.6A

Which of the following describes how a shadow is produced? Select TWO correct answers.

• Light is refracted by an object.

• Light travels in a straight line.

• Light is absorbed by an object.

• Light is reflected off an object.

Tags

5.6C

The toy oven shown uses a lightbulb to bake small cakes. What types of energy does the toy oven use to bake the cakes? (a)  

• Electrical and thermal
• Mechanical and electrical
• Thermal and mechanical
• Light and sound

A student uses a flashlight to shine a beam of light on three different objects. Which table describes what happens to the light beam as it interacts with each object?

• 
• 
• 
• 

Tags

5.6C