Fact 1: Freezing causes a solid to form. Fact 2: Freezing is a physical change. Given the two facts above, answer the question "What causes solids to form?" with the following options: - Physical weathering - an external framework - Physical changes - adding sand - adding mud - heating liquids - adding water - A solid geometric shape
Physical changes

Fact 1: Erosion of soil has a negative impact on the environment. Fact 2: Dirt is really misplaced soil. Given the two facts above, answer the question "What usually has a negative impact on the environment?" with the following options: - cigarettes - humans disturb it - harmful substances - sunlight - deforestation - erosion of dirt - rainfall - moon phases
erosion of dirt

Q: Fact 1: Producers are organisms that produce food for themselves and other organisms. Fact 2: Plants make their own food. Given the two facts above, answer the question "Plants are what type of organism?" with the following options: - a producer - a parasite - a consumer - fertile - a decomposers - plants - more abundant - trees
A: a producer

Question: Fact 1: Aradio converts electrical energy into vibrations. Fact 2: All sound is caused by vibrations. Given the two facts above, answer the question "What comes out when a radio converts energy?" with the following options: - Heat - motion - Sound - Darkness - Energy - waves - deadly - Light
Answer: Sound

*Question*
Fact 1: Erosion can cause a landslide. Fact 2: Landslides indicate unstable terrain. Given the two facts above, answer the question "what can erosion cause?" with the following options: - hurricanes - h2o - Pollution - slow and inefficient - unstable terrain - Physical weathering - flooding - hydrogen
**Answer**
unstable terrain

*Question*
Fact 1: Friction causes the temperature of an object to increase. Fact 2: Friction Rubbing an object on another object can produce friction. Given the two facts above, answer the question "what does rubbing an object on another object cause that object to do?" with the following options: - heat production - heat is produced - sandpaper - It gets heated up - decrease in temperature - explode - heat the body - increase in temperature
**Answer**
increase in temperature